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PENGARUH POST-TREATMENT PLASMA CVD LAPISAN DIAMOND-LIKE CARBON TERHADAP SIFAT KEKERASAN PERMUKAAN BAJA AISI 410 Wahyu Anhar; Nurwahidah Jamal; Suprapto Suprapto
ROTOR Vol 10 No 1 (2017)
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (180.323 KB) | DOI: 10.19184/rotor.v10i1.5150

Abstract

This study is aimed to determine the effect of post-treatment plasma CVD on diamond-like carbon films of surface hardness AISI 410 steel. Enhancement of surface hardness on AISI 410 can be done with deposition thin layer by plasma CVD, and continued by post-treatment plasma CVD. Mixture of Ar (90%) with CH4 (10%), and He (76%) with CH4 (24%) are used as thin layer material. Deposition parameter of pressure, temperature, and time that been used are 1.6 mbar, 300 °C, and 4 hours, respectively. Furthermore, post-treatment process parameter is used by Ar gas, with pressure of 1 mbar, temperature 300 °C, and variation time of 10, 20, 30 minutes. Surface hardness test is used by Vickers microhardness tester. Cross-section microstructure and chemical compositions are examined by scanning electron microscopy coupled with energy dispersive spectroscopy. Based on surface hardness test, the surface hardness on AISI 410 is increased by post-treatment process. The surface hardness from 232.3 VHN increase to 301.2 VHN is produced by post-treatment of compound Ar-CH4 in 20 minutes. Futhermore, the surface hardness from 1,035.8 VHN increase to 1,743.2 VHN is produced by post-treatment of compound He-CH4 in 30 minutes. Keywords: Post-treatment, Surface hardness, AISI 410, Ar-CH4, He-CH4
Penelitian pemanfaatan parafinic oil sebagai bahan plastilizer seconder dalam pembuatan kulit imitasi untuk atasan sepatu Hadi Musthofa; Sri Nadilah; Suprapto Suprapto
Majalah Kulit, Karet, dan Plastik Vol 12, No 24 (1997): Majalah Barang Kulit, Karet, dan Plastik
Publisher : Center for Leather, Rubber, and Plastic Ministry of Industry, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (934.442 KB) | DOI: 10.20543/mkkp.v12i24.371

Abstract

The aim of this research is to use Parafinic oil as Secondary Plastizer in making PVC imitation leather for upper shoes and to know the optimal formulation. The research applied  paraffinic oil type P60 and type P95 and with variation 4 part, 5 part and 6 part. Data analysed using statistic method. Completely Randomized Design and Split plat Design. The result of this research indicated that all Kind of Parafinic Oil Could be used to secondary plastilizer in making imitation leather and the result of this physical testing optimal paraffinic oil type P60.4.    INTISARI Penelitian ini bertujuan untuk memakai Parafinic oil sebagai bahan plastilizer seconder dalam pembuatan kulit imitasi untuk atasan sepatu dan untuk mengetahui formula yang optimal. Dalam penelitian ini dipergunaan Parafinic Oil tipe P 60 dan tipe P 95 dengan variasi jumlah 4 bagian, 5 bagian dan 6 bagian. Analisa data dengan menggunakan Kan Completely Randomized Design dan Split plat Design. Hasil penelitian menunjukkan bahwa semua tipe paraffinic oil dapat dipergunakan sebagai secondary plastiliser dalam pembuatan kulit imitasi dan hasil uji fisis paraffinic oil tipe P60.4 yang optimal.
Resin poliurethan sebagai bahan pelapisan aksesoris logam untuk mengurangi cacat produk barang kulit Sri Mulati; Agustin Suraswati; Suprapto Suprapto
Majalah Kulit, Karet, dan Plastik Vol 17, No 1-2 (2001): Majalah Barang Kulit, Karet, dan Plastik
Publisher : Center for Leather, Rubber, and Plastic Ministry of Industry, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1672.666 KB) | DOI: 10.20543/mkkp.v17i1-2.251

Abstract

The aim of the research is to aquire an appropriate plating technique on leather product accessories made from metal without lessening the wonderful appearance of the accessories, to maintain the shade and to keep the rust away from the accessories that avoid or diminish defects on the leather. The plating was carried out by spraying using spraying-gun one, two, and three times, and repeated three times for each treatment to chrome plating metal, gold plating metal and roasted metal. The samples were then pinned on a piece of chrome tanned leather and vegetable tanned leather, whereas the tests carried out was wet and dry rub fastness. Data analysed using completely randomized design with factorial pattern according to Gasperz (1991) showed that there was not significant effect on plating neither metal plated using chrome, gold, nor roasted metal pinned on chrome and vegetable tanned leather having been stored yet. However there was significant difference on accessories having been do treated as the stated above and set on a piece of vegetable tanned leather stored for three months. Conclusion could be drawn from the research that the use of polyurethane using spray system for plating metal accessories was able to maintain its beautiful appearance, keep the rust away, that was not create defects neither on chrome of vegetable tanned leather.  INTISARI Penelitian ini bertujuan untuk mendapatkan teknik pelapisan aksesoris logam pada barang kulit yang tepat tanpa mengurangi keindahan dari aksesoris itu sendiri dan agar aksesoris tidak berubah warna, tidak cepat berkarat untuk menghindarkan atau mengurangi cacat pada kulit. Pelapisan dengan teknik penyemprotan menggunakan alat semprot (spray gun), dilakukan sebanyak 1, 2 dan 3 kali masing-masing 3 kali ulangan, terhadap aksesoris logam lapis krom, lapis emas dan bakar. Masing-masing contoh dipasang pada kulit sapi samak krom dan samak nabati. Pengujian ketahanan gosok basah dan kering. Analisis data menggunakan Rancangan Acak Lengkap dengan pola factorial menurut Gasperz (1991), menunjukkan bahwa tidak ada pengaruh yang nyata pada perlakuan pelapisan baik untuk logam lapis krom, lapis emas dan bakar yang dipasang pada kulit samak krom dan samak nabati yang sudah disimpan selama 1, 2 dan 3 bulan, juga untuk yang belum disimpan. Ada beda nyata yaitu pada aksesoris yang tidak mendapat perlakuan seperti tersebut diatas dan dipasang pada kulit samak nabati yang disimpan selama 3 bulan. Kesimpulan dari penelitian ini adalah bahwa penggunaan poliurethan dengan sistem semprot untuk pelapisan aksesoris logam dapat mempertahankan kenampakan warna (keindahan), membuat tidak berkarat, sehingga tidak menimbulkan cacat pada produk barang kulitnya, baik untuk kulit samak krom maupun samak nabati.
Pelapisan aksesoris logam untuk produk kulit menggunakan resin akrilat Agustin Suraswati; Suprapto Suprapto
Majalah Kulit, Karet, dan Plastik Vol 19, No 1 (2003): Majalah Kulit, Karet, dan Plastik
Publisher : Center for Leather, Rubber, and Plastic Ministry of Industry, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1593.782 KB) | DOI: 10.20543/mkkp.v19i1.247

Abstract

The aim of the research is to aquire an appropriate plating technique on leather product accessories made from metal without lessening the wonderful appearance of the accessories, to maintain the shade and to keep the rust away from the accessories that avoid or diminish defects on the leather. The plating was carried out by spraying using spraying-gun one, two, and three times, and repeated three times for each treatment to chrome plated metal, gold plated metal and roasted metal. The smaples were then pinned on a piece of chrome tanning leather and vegetable tanned leather, whereas the test carried out was wet and dry rub fastness. Data from completely randomized design are analyzed by factorial pattern according to Gasperz (1991), showed that there was not significant effect on plating neither metal on chrome and vegetable tanned leather having been stored for one, two, or three months, neither on similar things having not been stored yet. However there was significant difference on accessories having been do treated as the stated above and set on a piece of vegetable tanned leather stored for three months. Conclusion could be drawn from the research that the use of acrylate using spray system for plating metal accessories was able to maintain its beautiful appearance, kept the rust away, that was not create defects neither on chrome nor vegetable tanned leather.  Keywords : plating, leather product, metal accessories, acrylate. 
Penelitian pengaruh sudut kemiringan rak pada uji coba out door terhadap sifat fisis perpanjangan tetap, dan ketahanan sobek sol karet cetak sepatu olahraga Suprapto Suprapto; Sri Nadilah
Majalah Kulit, Karet, dan Plastik Vol 10, No 20 (1995): Majalah Barang Kulit, Karet, dan Plastik
Publisher : Center for Leather, Rubber, and Plastic Ministry of Industry, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1098.33 KB) | DOI: 10.20543/mkkp.v10i20.447

Abstract

The aim of this research is to find out the effect of weather exposure on the physical characteristic of the static elongation and the tearing endurance of the quality of the molding rubber of the sport shoes. In this research, the samples of the experiment are installed on shelves which each of the shelve ha an a 0o, 15o, 30o, and 45 angle.  The samples of the research were tested to know their physical properties. It was done once in every 40 days. The result of the research showed that the different angles of the selves did not affect the static elongation as well as the tearing endurance significantly.   INTISARI               Penelitian ini bertujun untuk mengetahui pengruh cuara luar terhadap mutu sol karet cetak sepatu olahraga. Dalam melaksanakan contoh uji di pasang diatas rak yang sudut kemiringan diatur masing- masing : 0o, 5o, 30o dan 45o. Pengambilan contoh yang akan diuji sifat fisiknya, diambil setiap 40 hari sekali.              Hasil penelitian menunjukkan bahwa dengansudut kemiringan rak yang berfariasi, ternyata memberikan pengaruh yang tidak jauh berbeda terhadap perubahan sifat perpanjangan tetap dan ketahanan sobek sol karet sepatu olahraga.
PENGARUH PENAMBAHAN SURFAKTAN PADA MODIFIKASI MATERIAL ALAM Tri Esti Purbaningtias; Puji Kurniawati; Bayu Wiyantoko; Didik Prasetyoko; Suprapto Suprapto
Akta Kimia Indonesia Vol 4, No 2 (2019)
Publisher : LPPM, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (830.994 KB) | DOI: 10.12962/j25493736.v4i2.5536

Abstract

Penelitian ini berkaitan dengan pengembangan bahan alam dari zeolit alam, sekam padi dan ampas tebu. Modifikasi bahan alam dilakukan dengan menggunakan cetyltrimethyllammonium bromide (CTAB) sebagai surfaktan kationik untuk templat mesopori. Karakter fisikokimia bahan alam yang termodifikasi dan tanpa modifikasi diselidiki dengan menggunakan XRF, XRD, FTIR, fisisorpsi nitrogen, dan SEM-EDX. Kandungan utama dari bahan alam adalah Silika (Si) yang dibuktikan dari analisis XRF. Analisis XRD menunjukkan bahwa modifikasi dengan penambahan surfaktan dapat menyebabkan penurunan kristalinitas zeolit alam dan ampas tebu, sedangkan kristalinitas sekam padi meningkat. Munculnya pita serapan spesifik pada hasil karakterisasi menggunakan FTIR menunjukkan adanya gugus silanol dan siloksan pada semua material yang membuktikan bahwa semua jenis material alam tersebut merupakan material ekonomis yang kaya akan silika. Sementara itu profil fisisorpsi nitrogen memberikan informasi bahwa modifikasi pori oleh surfaktan hanya berhasil pada ampas tebu. Morfologi bahan alam yang dimodifikasi dan tidak dimodifikasi serta komposisi kimia dari partikel ditunjukkan oleh SEM-EDX.
ORIENTASI EKONOMI DALAM SISTEM PENGELOLAAN SAMPAH DOMESTIK TERPADU DI INDONESIA Suprapto suprapto
Jurnal Rekayasa Lingkungan Vol. 6 No. 3: Jurnal Rekayasa Lingkungan
Publisher : BPPT

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jrl.v6i3.1935

Abstract

Environmental life cycle assessment on Integrated solid waste management hasdeveloped rapidly during the 1990s and has reached a certain level of harmonisation and standardisation. LCA has mainly been developed for analysing material products, but can also be applied to services, e.g. treatment of a particular amount of solid waste. This paper discusses some methodological issues which come into focus when LCAs are applied to solid waste management systems. The following issues are discussed. (1) Open-loop recycling allocation: besides taking care of a certain amount of solid waste, many treatment processes also provide additional functions, e.g. energy or materials which are recycled into other products. Two important questions which arise are if an allocation between the different functions should be made (and if so how), or if system boundaries should be expanded to include several functions. (2) Multi-input allocation: in waste treatment processes, different materials and products are usually mixed. In many applications there is a need to allocate environmental interventions from the treatment processes to the different input materials. (3) Time: emissions from landfills will continue for a long time.An important issue to resolve is the length of time emissions from the landfill should be considered. Effective schemes need the flexibility to design, adapt and operate systems in ways which best meet current social, economic and environmental conditions. These are likely to change over time and vary by geography. The need for consistency in quality and quantity of recycled materials, compost or energy, the need to support a range of disposaloptions and the benefit of economies of scale, all suggest that integrated waste management should be organized on a large-scale, regional basis. Any scheme incorporating recycling, composting or waste-to-energy technologies must be market-orientated. There must be markets for products and energy.Keywords : municiple solid waste management, economic orientation of waste
ROLE OF RECYCLING IN INCREASING INTEGRATED WASTE MANAGEMENT IN SURABAYA Suprapto suprapto
Jurnal Rekayasa Lingkungan Vol. 9 No. 2 (2016): Jurnal Rekayasa Lingkungan
Publisher : BPPT

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jrl.v9i2.1999

Abstract

In the affluent countries, the main motivations for waste reduction are frequently related to the high cost and scarcity of sites for landfills, and the environmental degradation caused by toxic materials in the deposited wastes. The same considerations apply to large metropolitan areas in developing countries that are surrounded by other populous jurisdictions. The places that currently do not have significant disposal pressures can still benefit from encouraging waste reduction. Their solid waste departments (Dinas Kebersihan), already overburdened, cannot afford to spend more money and effort on the greater quantities of wastes that will inevitably be produced as consumption levels rise and urban wastes change.Solid waste managers in developing countries tend to pay little attention to the topic of reducing non-organic wastes because the wastes they collect are between 50% to 90% organics, dirt and ashes. These municipal wastes, however, are amenable to composting or digestion, provided they contain very low levels of synthetic materials (see the Composting part of the Sound Practices section). Solid waste departments thus have an interest in promoting diversion of synthetic recyclables from the waste stream. In the affluent countries, the main motivations for waste reduction are frequently related to the high cost and scarcity of sites for landfills, and the environmental degradation caused by toxic materials in the deposited wastes. The same considerations apply to large metropolitan areas in developing countries that are surrounded by other populous jurisdictions. The places that currently do not have significant disposal pressures can still benefit from encouraging waste reduction. Their solid waste departments, already overburdened, cannot afford to spend more money and effort on the greater quantities of wastes that will inevitably be produced as consumption levels rise and urban wastes change.Keywords : Recycling,Solid waste waste management, Schevengers, 3R
UPAYA MENINGKATKAN KETERAMPILAN MENULIS SURAT DINAS DENGAN PENDEKATAN KONTEKSTUAL PEMODELAN SISWA KELAS VIII A SMP NEGERI 2 PIYUNGAN, BANTUL Suprapto Suprapto
CARAKA Vol 4 No 2 (2018)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/caraka.v4i2.2843

Abstract

This study was a classroom action research by following a cycle model in which each cycle consists of four stages of activity. The aim of study was to improve the writing competence of the official letter at class VIII A Junior High School 2 Piyungan Bantul in first semester of 2016/2017 through the application of Contextual Approach Modeling. The object of study was the basic competence of writing official letter number 4.2 in class VIII first semester. The method of data collections were tests, classroom observations, classroom field notes, and questionnaires. After Contextual Approach Modeling was applied in the process of writing official letter dan the learning of process quality. The learning of process quality increased was marked by the increasing students activity in the learning process. The cycle I, the students activity were 23 children (82%) and the cycle II, the students activity were increased to 25 children (89%). Then, the improvement outcomes of learning process was marked by the increasing of average value in the writing test of official letter from 81.3 to 82.5. The achievement of learning process was decreased from 85.7% to 80.8%.
IMPLEMENTASI STANDAR NASIONAL PENDIDIKAN TINGGI PASCASARJANAS2 PAIUIN MATARAM suprapto suprapto
Al-Qalam Vol 24, No 2 (2018)
Publisher : Balai Penelitian dan Pengembangan Agama Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (137.308 KB) | DOI: 10.31969/alq.v24i2.538

Abstract

Co-Authors Abadi Sanosra Abdul Aziz Ahmad Abdul Basith, Mohammad Resi Abdul Karim Abdul Qodir Abdul Quddus Abdul Wahab Abei, Fikri Achmad Dwitama Karisma Achmad Faisal Achmad Ridwan, Achmad Adhi P, Baskara Adi Soeprijanto Aditama, Fitra Diannico Afiahayati Afiahayati, Afiahayati Agus Arifin, Agus Agus Mulyawan, Agus Agus, Junaidi Agustiani, Elly Agustin Suraswati Agustin Suraswati, Agustin Ahmad Dwi Arga Ahmad Firdaus, Ahmad Ahmad Hanif Ahmad Syaufi Ahmadi Hasan Ahmadi, Haerul Aigah Ameilia Manullang Ainur Komariah Aisyah Endah Palupi Ajeng Wijayanti, Lumastari Al Amruzi, HM Fahmi al farobi, afif Al Ikhlas, Al Ikhlas Albubaroq, Hikmat Zakky ALEXCANDRA, HISAR Alfiana Alfiana Ali Altway Alifah Hernanda, Rasikha Alita, Gesvi Sari Aminuyati Amiria, Hana Dhia Amri, Novita Amrulloh, Muhammad Chasan Anafih, Erwinda Sam Andi Akbar Subari Andik Adi Suryanto Andika, Sophian Andrean Rahady Juanizar Anggraini, Ike Anik Herminingsih Anwar, Seful APHA, Journal Manager Apriliawati, Tonika Aqil Ghifari, Khalif Ardhana, Krisna Setya Ardiansyah, Dimas Lutfiana Ardiyanti, Annisa Arintoko Arintoko, Arintoko Aris Setiawan Arlinwibowo, Janu Arwadi Sinuraya Aryanta Sembiring, Robi Asih, Dewi Supri Asrudin, Muhammad Aswan Supriyadi Sunge Awaliyah, Nabilah Hasna’ Ayu Safira, Amellia Ayu Sitanini Azizi, Muhammad B.A. Tjipto Sujitno Bambang S, TH.Teddy Bambang Sumardjoko Bangsawan, Achmad Baqiyah, Alvi Khoirul Barima, Hima Bariot Hafif Baskoro, Ari Yudha Basuki , BASUKI BASUKI Batumahadi, Batumahadi Bawafi, Suardhana Bayu Mahendra Bayu Wiyantoko Binsar Panjaitan, Binsar BUDI WIBOWO Bunyamin Arsyad Cakranegara, Pandu Adi Chandra S Cutiana Windri Astuti, Cutiana Windri Daito, Appolo Damanik, Marini Danar Agus Susanto Danawati Hari Prajitno Darmaputra, I Gde Darsini . . Daud, Fadly Dedi Saputra Dewangga, Sakti Dewi Nurhanifah, Dewi Dewi Riniarti Dewi Supri Asih Dewi, Meilinia Shinta Kusuma Dewi, Ratna Fitriana Diah Setyorini Gunawan Dian Ardifah Iswari Dian Wijaya Diansyah, Diansyah Didik Prasetyoko Didit Kurniadi Dijan Rahajuni Djaja , Djuniawan Karna Djuharyanto, Teguh Djuita, Warni Dominikus Rato Dwi Ari Purwanto Dwi Priantoro Dwi Purwoko Dwi Wahyuni Ganefianti, Dwi Wahyuni Dyah Aruming Tyas Edora, Edora Edy Riyanto Eka Daryanto Eka Daryanto, Eka Eko Wahyono, Eko Emy Handayani Endang Sri Gunawati Endi Hari Purwanto Ennanto, Ennanto Eny Rahmawati Erlina Erlina Ersan Ersan Eswanto, Eswanto F. Dirun, Wikarya Faddillah, Fahmi Fadly Azhar Faishal, Achmad Faizah Faizah Fajar Dwi Prasetyo Fakhri Izzul Haq, Muhammad Fakhrina Fahma Fathurrahman Muhtar Fatima, Gupita Nadindra Fatkur Mu'in Fauzan M, Rizqi Fauzi, Habibillah Achmad Putra Febrian Kwarto Fikri, Muyazzinul FIRMAN UMAR, FIRMAN Firmansyah Nasution, Taufik Forita Dyah Arianti, Forita Dyah Ghiffari, Muhammad Giantama Adhy Prima Ginting, Delon Ananda Giovan Panjaitan, Asido Giyoto Gunawan, Muhammad Tigo Gunawan, Safri Gusti Muzainah Hadi Musthofa Hadi Musthofa, Hadi Hadi, Hairul Hadi, M Faziurrahman Hairil Anwar Hanggara, Buce Trias Harmami Harmami Hartono, Bambang Dwi Hazim, Muhammad Fadhlurrahman Hendrawan, Henky HENRY ISKANDAR Hermaningsih, Anik Herzanti, Amelia Hetrianto, Roman Hidayatin, Dwi Hidayattulloh, Hidayattulloh Hikmah Muhaimin Historiawati Historiawati Hosan, Elfawa Hutajulu, Olnes Yosefa I Gde Ichsan Anwary, Ichsan Idrus, Muhamad Ignatius Sriyana Ilmy, Muhammad Azianoor Inayatullah, Putri Asti Indrawatiningsih, Nonik Indura, Alif Chandra Irawan, Kelvin Irfan Miftahul Fauzi Irfandi Irfandi, Irfandi Irma Azalia, Inez Islah Islah, Islah Ismadi Raharjo, Ismadi Ismail Thoib Isnaini, Silviana Dwi Iswandi Iswandi Iswar, Nabila Salsabila Ita Lusiyana Ita Ulfin Iwan Harsono Jauhari, Sodik Jaya, Jamie Armadi Jenny Yudha Utama Jhodi Pratama Joko Purnomo Joko Sutrisno Jubaidah, Jubaidah Juli Hadiyanto Juli Handayani Juliana Waromi, Juliana Kabul, Abdul Hamid Kamaruddin, Muh Ihsan Karim, Syaban Abdul Kesi, Reval Bani Kevin Abdillah, Mohammad Khaerul Anam Komariah, Ainur Krisdayanto, Tiyan Reky Kukuh Ageng Pribowo Kurnia, Mega Kurniawati, Puji Kurniawati, Puji Kuswadi, Didik Lailatul Qomariyah, Lailatul Lailiyah, Yayang Komaroh Lailun Ni’mah, Yatim Lathifah Lanonci Latif, Asriyadi Latif, Sarifudin Andi Lely Susita Lestari, Gagas Puji Lestari, Mathilda Sri Leuhery, Ferdy Liana Mangifera Lilis Siti Badriah Lilis Suryani Lily Pudjiastuti, Lily Listiyanto, Listiyanto Lisyanto . Lubis, Aulia Madjid Luluk Ayu Widyantika M Tahir Mafizatun Nurhayati Mahsun Jayadi, Mahsun Maigoda, Tony Cortis Malau, Raymond Regol Maria Puspita Sari, Maria Puspita Marlina, yuli Marsyaf, Marsyaf Marthin, Marthin Mathilda Sri Lestari Maulana, Ahmad Rizki Mawadah, Saadah Luthfiah Mayasari Mayasari, Mayasari Meghotsah, Muhammad Akha Meidiansyah, Fadli Meifida Ilyas Meilinda Ayundyahrini Melvi, Lisa Miftahul Huda Miharja, Muhammad Najamuddin Dwi Millenio, Gifford Adji Akbar Minanari, Minanari Muchlis Hamdi Muhaimim, Hikmah Muhammad Ashari Muhammad Asir Muhammad Hambal Shafwan Muhammad Idrus Muhammad Ilham Muhammad Iqbal Muhammad Iqbal Firdaus, Muhammad Iqbal Muhammad Najib Muhammad Nepo Fauzan Muhsi, Muhsi Muhsin Aseri, Muhsin Muhtadin Muhtadin Mukhlis Mukhlis Mulat, Trimaya Cahya Mulyani Zulaeha Muniroh, Mu’awanatul Murti Astiningrum Musaddad, Anwar Mustika, Cindyva Thalia Muteringbumi, Haidir Ali Muyassaroh, Tisnuliah Nabella Rizka Tianlie Nadiah Nadiah nasir, muh Nasrodin Nasrodin, Nasrodin Nasution Nasution Nawangwulan, Apriliya Ni'mah, Yatim Lailun Ningsih, Tri Widyastuti Niniek Fajar Puspita, Niniek Fajar Nonsi Tentua, Meilany Noviani, faizah Nur Aida, Nur Nur Azizah Nur Syamsi Norma Lalla Nurfaizin, Irham Nurhadji Nugraha Nurhasanah Nurhasanah Nurlaili Humaidah, Nurlaili Nurliah Nurdin Nurul Lailatul Khusniyah Nurwahidah Jamal Nurwantara, Ma’ruf Pambudi Nurwijayanti Nyoman Bayu Mahendra Oktafiana , Anisa Omiyani*, Selva Omiyani, Selva Pakpahan, Binsar Panunggul, Victor Bintang Pasaribu, Firentus Agustone Pawana, Sekhar Chandra Perando Sitanggang Pibisono, Arif Pinem, Riza Refaya Prakoso, Lukman Yudho Pramditiyan, Fauzan Rizaki Prasetyo, Sutrisno Aji Pratama, Septian Rizki Prayitno Prayitno Prayitno Prayitno Puji Kurniawati Purnama, Yulian Purnma, Aldi Purwanda, Nur Widia Purwoko, Agus Putra*, Eka Kurniawan Putra, Devangga Putra Adhitya Putra, Irawan Haji Putranto, Afif Hendri Putri, Sherly Octaviana Putty Anggraeni R. Nurfazriah, Latifah Rachmad Hidayat Rachman Sidharta Arisandi, Rachman Sidharta Rahmadian, Reza Rahmaniar Rahmaniar, Rahmaniar Rahmatul Ahya Rahmatul Ahya Rahmawati, Apriliana Nadia Ramli, Verawati Ranam, Sanudin Rasyid, Muh Fadli Faisal Ravendianto Ravendianto Reza Amarta Prayoga Reza Perdanakusuma, Andi Rian Prasetyo Riana Puspita, Riana Richad Hasan, Jhems Rill lsaris Rini Fidiyani Ristyana, Rida Rivai , VeithZainalzal Riyanto Suprawihadi Riyanto, Ari Budi Rizal Abdullah, Rizal Rizky Abdul Aziz Rochman, Apriatur Rochman, Arif Roman Hetrianto Romanto, Kristian Rosmiah Rosmiah, Rosmiah Rosnidar Sembiring Rossy, Riza Fachrul Rr. Ernawati Rubiyah Rubiyah Rudi Salman Rumanintya Lisaria Putri, Rumanintya Lisaria S. Suripin Saadah, Nurus Sabarudin Akhmad Sahputra, Nazar Sahrir, Salman Salsabila, Maulidia Sampurno, Ade Citra Oktaviana Elok Santosa Pradana Putra Setya Negara Santosa Santosa Santosa Santosa Saprudin Saprudin Saprudin Saprudin, Saprudin Saputra, Andy Eka Saputra, Firza Asep Saputri, Hafiar Sardi, Sopian Andika Sari, Ike Mayta Sari, Marta Hayu Raras Sita Rukmika Sasongko, Ananto Tri Satriawan, Devi Sayono Sayono Selamat Riadi Setyo Atmodjo Setyorini, Adelya Hesty Shailendra, Oktovan Agung Sheryl Niken Sekar Maulidya Shophan Tornado, Anang Silakhuddin Silakhudin Simanjuntak, Ardi Simetris Harahap, Handala Siminto Siminto, Siminto Sinurat, Marja Siti Nurul Yaqinah, Siti Nurul Siti Rofingatun Situmeang, Chandra Solly Aryza Soma Setiawan Ponco Nugroho Sophie Hapsari Sri Kaidah Sri L, Mathilda Sri Mulati Sri Mulati, Sri Sri Nadilah Sri Nadilah, Sri Sri Nugroho sri Nugroho Sri Warjiyati Sudarmiani Sudarmiani, Sudarmiani Sudjatmoko Sudjatmoko SUGENG HARIANTO Sugeng Santoso Sugiono, Didik Sukamta Sukamta Sukaryono Sukaryono Sukidi Sukidi Sulaeman, Asep Arwan Sulaeman, Maryam Sulaeman, Maryam Sumarlam Sumarni Sumarni Sumarno . sunardi sunardi Sunita Dasman Supardi Supardi Suparji Suparji Supnawadi, Supnawadi Suprapto Suprapto Supratman, Eman Suprio Pratomo, Muhammad Supriyanto Supriyanto Surya Dharma Suryanti, Rensi Susbiyani, Arik Susilowati Rahayu Sutrisno Sutrisno Sutrisno, Joko Sutrisno Sutrisno, Sutrisno Suwarni Suwarni Suwarno Imam Samsul Suyatno, Sugeng Suzanne , Nina Syaefullah, Nur Kholid Syafiq Maricar, Muhmmad Syahra, Assyfa Syaiful Anwar, Agus Setiadi, Suwali, Syaikhul Falah Syamsudin Rois, Syamsudin Taime, Habel Tamtama, Noviadry Nur Tasrim, Tasrim Tatar Bonar Taufik Taufik Taufik, Opik Abdurrahman Tentua, Meilany Nonsi Thoib , Ismail Thomas Tukirin Thomas Tukirin, Thomas Titik Purwati Widowati Titik Purwati Widowati, Titik Purwati Tjipto Sujitno Tornado, Anang Shophan Tri Esti Purbaningtias Trimaya Cahya Mulat Tukiran Tukiran Ubaidillah, Rizal Utama, Wahyu Velthuzend, Andre Wahdi, Hilmy Wahidah Wahidah Wahono . Wahono Wahono Wahyono, Eko Wahyono Wahyu Dwi Mulyono Wahyu, Syamsul Wahyudi Sutopo Warlinda Eka Triastuti Waston Wibakti, Aji Restu Wibowo, Ardianto Bayu Wijaya, Nahrul Wiwien Andriyanti Wiwien Andriyanti Wiyanto, Tri Ngudi Wiyantoko, Bayu Wiyantoko, Bayu Yaqin, Akbar Haqul Yatim Lailun Ni'mah Yenni Kurnia Gusti Yopan Rahmad Aldori Yudhi Herliansyah Yulia Pujiharti Yulianto, M.Farrel Shyva Pradana Yuniar, Dewi Yunus, Muh Yurizka Melia Sari Yusi Tyroni Mursityo Yuyu Wahyudin Zakaria Zakaria Zakky Almubaroq, Hikmat Zaman, Komarun Zeti Nofita Sari Ziyad, Ziyad Zubir, Moondra Zuchrillah, Daril Ridho Zulkarnain Zulkarnain Zulkarnain Zulkarnain