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All Journal Jurnal Ilmiah Poli Rekayasa Rekayasa Mesin Jurnal Fisika Unand POROS TEKNIK JST ( Jurnal Sains Terapan ) JURNAL INTEGRASI INOVTEK POLBENG Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Martabe : Jurnal Pengabdian Kepada Masyarakat Jurnal Katalisator Jurnal TEMAPELA Jurnal Ilmu Fisika Sarwahita : Jurnal Pengabdian Kepada Masyarakat Manutech : Jurnal Teknologi Manufaktur Jurnal Teknik Mesin Piston: Journal of Technical Engineering Jurnal Energi dan Teknologi Manufaktur JTRM (Jurnal Teknologi dan Rekayasa Manufaktur) Jurnal Riset Teknologi Pencegahan Pencemaran Industri METAL : Jurnal Sistem Mekanik dan Termal PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Dulang: Jurnal Pengabdian Kepada Masyarakat Jurnal Pengabdian kepada Masyarakat Dewantara JAPEPAM, Jurnal Pengabdian kepada Masyarakat
Yuli Yetri
Jurusan Teknik Mesin, Politeknik Negeri Padang 
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Other

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EFFISIENSI INHIBISI INHIBITOR EKSTRAK DAUN TEH (Camelia sinensis) TERHADAP BAJA St-37 DALAM MEDIUM ASAM DAN GARAM Yuli Yetri; Desi Mita Sari; Sri Handani
Jurnal Katalisator Vol 1, No 1 (2016): KATALISATOR
Publisher : LLDIKTI Wilayah X

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (734.235 KB) | DOI: 10.22216/jk.v1i1.1407

Abstract

Telah dilakukan penelitian untuk mengendalikan laju korosi baja St-37 dalam medium asam klorida dan natrium klorida menggunakan inhibitor ekstrak daun teh (Camelia sinensis). Metode weight loss dan metode potensiodinamik untuk menentukan laju korosi, dalam medium HCl 3 % dan NaCl 3 %, dengan konsentrasi inhibitor yang ditambahkan bervariasi mulai dari 1 % hingga 10 % dengan perendaman selama empat hari. Hasil penelitian menunjukan bahwa laju korosi berkurang dengan meningkatnya konsentrasi inhibitor yang ditambahkan, Peningkatan konsentrasi inhibitor diikuti juga dengan meningkatnya nilai effisiensin inhibisinya. Nilai efisiensi terbesar 86,3 % dengan penambahan konsentrasi inhibitor 10 % untuk medium korosif HCl dan dengan konsentrasi yang sama untuk NaCl mencapai 92,0%.  Analisis morfologi permukaan dengan foto optik memperlihatkan permukaan baja dengan penambahan ekstrak daun teh mengalami korosi  lebih sedikit dibandingkan dengan tanpa inibitor. Hal ini menunjukan bahwa inhibitor ekstrak daun teh sangat efisien untuk mengendalikan laju korosi dalam medium korosif HCl dan NaCl. A research  to control corrosion rate of St-37 steel in acid chloride and sodium chloride medium using tea leaf (Camellia sinensis) extract inhibitor has been done. The method used is potentiodynamic to see the value of the corrosion current and weight loss method for corrosion rate.. Corrosive medium used were HCl 3% and NaCl 3%. The concentration of the extract used range from 1%-10% and the immersion time is four days. The results showed that the corrosion rate was greatest in the corrosive medium without addition of inhibitors, whereas the corrosion rate decreases with the addition of inhibitors, it is also evident from the results of the Tafel plot shows Icor impairment. The greater the concentration of inhibitor that is used the lower the corrosion rate. Greatest efficiency values both for medium corrosive obtained at inhibitor concentrations of 10%, 86,3% in HCl and 92% in NaCl. This shows that tea leaves extract inhibitor is very efficient in controlling the rate of corrosion in HCl and NaCl medium. From the optical photograph  analysed on the surface morphology of St-37 steel showed that the addition of tea leaf extract suffered less corrosion.
Produksi Pupuk Kompos Dari Sampah Rumah Tangga Yuli Yetri; Ichlas Nur; Rahmi Hidayati
Jurnal Katalisator Vol 3, No 2 (2018): KATALISATOR
Publisher : LLDIKTI Wilayah X

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (706.501 KB) | DOI: 10.22216/jk.v3i2.2818

Abstract

Dengan melihat kondisi yang ada di Mentawai maka terjadilah kesepakatan bersama antara mitra bank sampah Siput Bisa dan bank sampah Polak Sikerey dengan tim Pengabdian Masyarakat Politeknik Negeri Padang untuk mengolah sampah rumah tangga menjadi pupuk kompos. Kesepakatan ini dilakukan untuk pembuatan pupuk organik dengan memanfaatkan sampahrumah tangga dan limbah pertanian yang melimpah jumlahnya. Program ini didahului  dengan  penyuluhan  yang  melibatkan    unsur  terkait  yaitu: pengurus dan seluruh anggota kelompok PKK di desa Sipora Jaya kecamatan  Sipora Utara kepulauan Mentawai serta dibantu oleh Petugas Penyuluh Lapangan (PPL) yang bertugas di wilayah tersebut. Penyuluhan  ini  diberikan  dalam  bentuk  ceramah dan diskusi mengenai berbagai aspek teknologi pembuatan pupuk organik. Demonstrasi pembuatannya dilakukan setelah diskusi dan penyuluhan kelompok dilaksanakan. Pembuatan pupuk organik dilakukan secara intensif dengan menggunakan sampah yang sudah dikumpul oleh bank Sampah Siput Bisa dan Polak Sikerey serta sisa limbah pertanian oleh kelompok tani. Sampah rumah tangga tersebut dicincang dan dicampur dengan digester EM4, kemudian ditumpuk dan dibiarkan 3 minggu dan setiap minggu dibalik.. Hasil kegiatan ini memberikan beberapa manfaat terutama dari segi ekonomis dan   pengembangan   iptek, diantaranya adalah lingkungan menjadi bersih dan mengurangi bau, lalat dan penyebaran mikroorganisme patogen atau penyebab penyakit pada manusia dan ternak. Dengan pengelolaan sampah menjadi pupuk organik akan mendapatkan hasil tambahan yang lebih besar, dan dengan bisanya masyarakat membuat pupuk organik/pupuk kandang/kompos maka akan mengurangi ketergantungan penggunaan pupuk anorganik.
PEMBUATAN INSTALASI HIDROPONIK PADA GREEN HOUSE MTsN 7 KOTA PADANG Yuli Yetri; Rakiman Rakiman; Ichlas Nur; Hanif Hanif; Desmarita Leni
Jurnal Pengabdian kepada Masyarakat DEWANTARA Vol 4 No 2 (2021): Jurnal Pengabdian kepada Masyarakat DEWANTARA
Publisher : Lembaga Penelitian dan Pengabdian Pada Masyarakat Universitas Tamansiswa Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31317/jpmd.v4i2.704

Abstract

Telah dilakukan rancangbangun dan penyuluhan penggunaan instalasi peralatan hidroponik untuk Madrasah Tsanawiyah Negeri 7 (MTsN 7) Kota Padang dalam kegiatan tim Pengabdian Kepada Masyarakat Politeknik Negeri Padang. Tujuan dari kegiatan ini adalah dalam rangka Tridharma perguruan tinggi, dan untuk menciptakan lingkungan yang asri di sekolah tersebut. Untuk mempertahankan keasriannya, maka tim pengabdian PNP bersedia menyumbangkan instalasi hidroponik, agar MTsN mempunyai green house untuk membudidayakan tanaman hias, tanaman obat-obatan, dan sayuran. Kegiatan ini dilakukan mulai dari rancangbangun, setting peralatan, dan penyuluhan cara menggunakannya. Hasil dari kegiatan ini menunjukan antusias yang besar dari sivitas akademika MTsN 7 untuk menciptakan lingkungan yang sehat dan asri. Sehingga Adiwiyata Nasional yang sudah diperoleh dapat dipertahankan.
Analisis Pengaruh Variasi Elektrolit H2SO4, KOH, dan Na2SO4 Terhadap Kinerja Elektrokimia Superkapasitor berbasis Biomassa Kulit Kakao Exaudi Pratama Rajagukguk; Widi Mulia Nasution; Mulda Muldarisnur; Yuli Yetri
Jurnal Fisika Unand Vol 13, No 5 (2024)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.13.5.610-616.2024

Abstract

Utilization of cocoa pod waste (Theobroma cacao) as a supercapacitor carbon electrode through electrolyte optimisation was successfully conducted with 0.5M KOH chemical activator. Carbon production starts with slicing cocoa pods, sun drying, pre-carbonisation, crushing of carbon particles with mortar and ball milling, and particle size uniformity using a sieve. The obtained particle powder was chemically activated with 0.5M KOH, coin-molded into of carbon monolith and finished with integrated pyrolysis. Samples were subjected to one-stage integrated pyrolysis by carbonisation from room temperature to 600˚ C in an N2 gas environment, followed by physical activation to 700˚ C in a CO2 gas environment. Testing the electrochemical properties of carbon electrodes based on different types of electrolytes (H2SO4, KOH, and Na2SO4) IM using cyclic voltammetry (CV) and galvanostatic charge discharge (GCD) methods. The sample provided with H2SO4 electrolyte was confirmed to have the highest specific capacitance of 412.94 F/g at a current of 1 A/g. Based on the results of this study, it is confirmed that cocoa pods have the potential to be a source of electrode base material with H2SO4 electrolyte solution as a source of charge carrier in supercapacitor cell devices.
Perancangan Mesin Pengupas Sabut Kelapa Zahwa Azzahra, Gita; Okta Putra, Ilham; Yuliarman, Yuliarman; Zulhendri, Zulhendri; Yetri, Yuli
Manutech : Jurnal Teknologi Manufaktur Vol. 15 No. 02 (2023): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/manutech.v15i02.224

Abstract

Coconut is a major crop in Indonesia. The coconut peeling process consists of several stages, namely the stripping of coir and coconut shells. These processes use manual tools, so it takes a long time and requires manpower. To overcome this problem, the authors design and analyze a coconut husk peeling machine in which the separation process does not mix with peeled coconut husk and is a safe machine to use. while working. This machine uses an automatic system so it does not require extra human labor. The Coconut Coir Peeler Machine is driven by an electric motor. An electric motor that rotates the blade shaft by transmitting power to the shaft through pulleys and belts so that the paring blade rotates. The engine capacity is 1.5 HP, the rotation speed is 1,400 rpm. The transmission system pulley is a drive pulley with a diameter (d1) = 4 inches and a driven pulley (d2) = 8 inches with a Type A Belt. The paring knife used is a flat triangular knife that is circularly arranged like a thread with 50 pieces. on the blade pipe, where the diameter of the blade pipe is 100 mm and the blade height is 40mm.
Perancangan dan Simulasi Mesin Perontok Biji Jagung Kapasitas 400 Kg/Jam Azzah Rosadi, Nabilla; Ulhafidzah, Annisa; Yuliarman, Yuliarman; Menhendry, Menhendry; Yetri, Yuli
Manutech : Jurnal Teknologi Manufaktur Vol. 15 No. 02 (2023): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/manutech.v15i02.231

Abstract

Corn is one of the main sources of carbohydrates in Indonesia. Corn growth has reached all regions of the archipelago. As a source of carbohydrates other than rice, corn can also be processed into various food industry products such as snacks. In addition, corn can also be used as animal feed so the need for shelled corn is very high in Indonesia. Therefore we need an appropriate technology that functions to facilitate human work to produce shelled corn in a short time and high production yields. So Corn Seed Threshing Machine was designed with a capacity of 400 kg/hour. This machine consists of main components such as a cylinder shell, funnel, guide, and reservoir. This machine uses a 1.5 HP electric motor with a rotation of 1400 rpm and uses a Belt and Puli transmission system. The sheller shaft is added with a spiral-shaped sheller tooth.
Rancang Bangun Dan Pembuatan Mesin Pembersih Pantai Yuliarman, Yuliarman; Rahmatia Ikhsani, Siska; Effiandi, Nota; Zulhendri, Zulhendri; Yetri, Yuli
Manutech : Jurnal Teknologi Manufaktur Vol. 15 No. 02 (2023): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/manutech.v15i02.232

Abstract

The beach is a comfortable place for traveling and relaxing. Therefore, the cleanliness of the beach area must be maintained for the sake of mutual comfort. Due to the lack of discipline of visitors, a lot of rubbish is piled up and piled up out of place every day. So, cleaning staff find it difficult to clean up rubbish manually. Therefore, an initial design stage is needed, then proceed with the creation of a semi-automatic beach cleaning machine or Beach Cleaning Machine to overcome this problem. In the future, cleaning the beach using this machine can speed up the cleaning process and make the work of beach cleaners easier. The working principle of this machine uses a gasoline motor as a driving source. So, when the motorbike is turned on, the machine will work automatically. Then to direct the movement of the machine an operator is needed. So, it is very appropriate to use a Beach Cleaning Machine to clean the beach compared to picking it up directly or using manual tools, because it can save work time.
PARTISIPASI MASYARAKAT MEMBANGUN JEMBATAN GANTUNG BERSAMA TIM PENGABDIAN MASYARAKAT POLITEKNIK NEGERI PADANG di DESA BUMI AYU, KECAMATAN SANGIR, SOLOK SELATAN Yetri, Yuli; Hidayati, Rahmi; Maimuzar, Maimuzar; Hendra, Hendra; Nofriadi, Nofriadi
Jurnal Pengabdian Masyarakat Polmanbabel Vol. 4 No. 01 (2024): DULANG : Jurnal Pengabdian Kepada Masyarakat
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/dulang.v4i01.310

Abstract

Community service has been completed by a community service team from the Politeknik Negeri Padang (PNP) in South Solok Regency. The purpose of this community service is to help the community in the construction of a suspension bridge in the village of Aai Manyuruak, Bumi Ayu Village, South Solok Regency. This community service can be carried out thanks to cooperation between the community and donors. The results of this dedication show that universities feel compelled to devote their knowledge to helping build suspension bridges that have been cut off, and have not been rebuilt due to lack of funds. The participation of donors and the community as well as the PNP community service team in the construction of the suspension bridge in Bumi Ayu village was entirely due to community activities carried out in mutual cooperation. Therefore, the construction of this suspension bridge is highly anticipated by the community in running the economy and access to education. In planning the construction of a suspension bridge, the community is fully involved, from planning to implementation. With the completion of the construction of this suspension bridge, the community and children going to school no longer need to take alternative roads which are quite far away.
Studi Pengaruh Ketebalan Elektroda Karbon Aktif dari Kulit Buah Kakao terhadap Kinerja Elektrokimia Superkapasitor Irsya Dunnas; Widi Mulia Nasution; Mulda Muldarisnur; Yuli Yetri
Jurnal Fisika Unand Vol 13 No 4 (2024)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.13.4.594-601.2024

Abstract

Sintesis karbon aktif dari kulit kakao dengan variasi ketebalan elektroda 0,4; 0,5; dan 0,6 mm bertujuan untuk melihat pengaruhnya terhadap kinerja superkapasitor. Tebal elektroda yang berbeda diberi kode sampel yaitu tebal 0,4 mm dengan kode CC-0,4; tebal 0,5 dengan kode CC-0,5 mm dan tebal 0,6 mm dengan kode CC-0,6. Pembuatan elektroda karbon dari kulit kakao dilakukan dalam beberapa tahap yaitu pengeringan organik, prakarbonasi, aktivasi kimia menggunakan aktivator KOH 0,4 M dan pencetakan pelet menggunakan press hidrolik dengan tekanan 8 ton. Pelet yang telah dicetak dikarbonasi menggunakan gas N2 pada suhu 600 ⁰C dan aktivasi fisika menggunakan gas CO2 pada suhu 700 °C. Sifat elektrokimia dari sel superkapasitor ditinjau melalui sistem dua elektroda dalam elektrolit 1 M KOH. elektroda karbon aktif optimum yang diperoleh pada sampel CC-0,5 dengan kapasitansi spesifik yang tinggi  mencapai 366,67 F/g pada rapat arus 1,0 A/g. Rapat energi maksimum yang didapatkan sebesar 660 Wh/Kg pada rapat daya optimum 2378,39 W/Kg. Potensi kulit kakao sebagai sumber karbon aktif dengan ketebalan 0,5 mm menunjukan kinerja perangkat penyimpanan energi elektrokimia superkapasitor yang tinggi dan stabil dengan ketahanan bahan yang baik.
Analisis Pengaruh Variasi Elektrolit H2SO4, KOH, dan Na2SO4 terhadap Kinerja Elektrokimia Superkapasitor berbasis Biomassa Kulit Kakao Exaudi Pratama Rajagukguk; Widi Mulia Nasution; Mulda Muldarisnur; Yuli Yetri
Jurnal Fisika Unand Vol 13 No 5 (2024)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.13.5.610-616.2024

Abstract

Utilization of cocoa pod waste (Theobroma cacao) as a supercapacitor carbon electrode through electrolyte optimisation was successfully conducted with 0.5M KOH chemical activator. Carbon production starts with slicing cocoa pods, sun drying, pre-carbonisation, crushing of carbon particles with mortar and ball milling, and particle size uniformity using a sieve. The obtained particle powder was chemically activated with 0.5M KOH, coin-molded into of carbon monolith and finished with integrated pyrolysis. Samples were subjected to one-stage integrated pyrolysis by carbonisation from room temperature to 600˚ C in an N2 gas environment, followed by physical activation to 700˚ C in a CO2 gas environment. Testing the electrochemical properties of carbon electrodes based on different types of electrolytes (H2SO4, KOH, and Na2SO4) IM using cyclic voltammetry (CV) and galvanostatic charge discharge (GCD) methods. The sample provided with H2SO4 electrolyte was confirmed to have the highest specific capacitance of 412.94 F/g at a current of 1 A/g. Based on the results of this study, it is confirmed that cocoa pods have the potential to be a source of electrode base material with H2SO4 electrolyte solution as a source of charge carrier in supercapacitor cell devices.
Co-Authors -, Nasrullah - Ade Indra Adriansyah Adriansyah Adriansyah Adriansyah Afza, Vikra Yudha Yolanda Agustion Jufri Ahmad Amdi Zamrud Kurnia Aidil Zamri Aidil Zamri Alamsyah, Taqdir Alfian Alfian Alifur Rahman Anike Malfinora Anike Malfinora, Anike Anissa Vivia Fidela Annisa Khairiyah Arief Ikma Putra Asmed Asmed Ayu Pitri Yeni Azzah Rosadi, Nabilla Bukhari Bukhari Bukhari Bukhari Bukhari S Bukhari S Candra Mayana, Hendri Chatarina Umbul Wahyuni Daddy Budiman Dahyunir Dahlan Dandi Ilham Danial Darman Dapersal Dinar Desi Mita Sari Desi Mitra Sari Desi Mitra Sari Desmarita Leni Desmon Hamid Dunnas, Irsya Dwi Puryanti Eka Sunitra Elvis Adril Ely Sulistya Ningsih Ely Sulistya Ningsih Emriadi - Eri Aidio Murti Eri Aidio Murti, Eri Aidio Exaudi Pratama Rajagukguk Exaudi Pratama Rajagukguk Fadhlulrahman, Zaki Fahri Reza Fanani Fardinal Fardinal Fathir Alqodri Faula Rahmi Feidihal Feidihal Firdaus Firdaus Firdaus Fredinan Yulianda G Gunawarman, G Gani Pratama Giyanto Gunawarman Hamzah Putra Hanif Hanif Hanif Hanif Hargiani, Fransisca Xaveria Haris Haris Haris Haris Haris, Haris Hariyati Lubis Harri Biora Putra Hersalniar Ichlas Nur Ichlas Nur Ihsan Putra Erizal Ikhsan - - Ikhwan Nofitra Ilham Handoko Ilham Saputra Intan Rahma Yuni Irpansyah Siregar Irsya Dunnas Is Prima Nanda Isnanda Isnanda Jalal, Ramzi Januar Putra Jon Affi, Jon Jufri , Agustion Jumyetti Jumyetti Jumyetti Jumyetti Junaidi - - Junaidi Junaidi Laura Nisa Tilqadri Maimuzar Maimuzar Maimuzar Maimuzar Maimuzar Menhendry Menhendry Menhendry Muchtar, Ridwan Muh Anhar Muldarisnur, Mulda Mulyadi Mulyadi Mulyadi Mulyadi Mulyadi Munadi Munadi Murni Handayani Najihah, Yeni Fathatun Nandi Pinto Nasirwan Nasirwan Nasution, Widi Mulia Nofriadi Nofriadi Nofriadi Nofriadi Nofriadi Nofriadi Nota Effiandi Nota Effiandi Novesar Jamarun Nur Rohmat Nurul Izza Nurwijayanti Nusyirwan Nusyirwan Nusyirwan Okta Putra, Ilham Oktavianus Ganumba Oong Hanwar Putra, Syarif Abdian Rahma Fikri Nuradi Rahmadhani Rahmatia Ikhsani, Siska Rahmi Hidayati Rahmi Suryani Rahmi, Faula Rais, Wahmin Rajagukguk, Exaudi Pratama Rakiman Rakiman Rakiman Rakiman Rakiman Ramza, Robi Ratih Paramitha - Ravi Pratama Syael Resalina - Resalina - Restu Araliz, Maheka Revaldy Maiman Rina Rina Rina Rina Rino Sukma Rivanol Chadry Robby Gunawan Roni Kurniawan Putra Ruchiyat, Asep Ruzita Sumiati Saif Hadid Alkhairi Salamah, Ummi Sambo, Nurmahriza Sanny Ardhy Saputra, Ilham Sari, Nurfitri Rahmi Silva Azaria Mahaputri Silva Azaria Mahaputri Siska Angraini Rikosa Rikosa Solly Aryza Sri Handani Sri Handani Sri Mulyadi Sri Mulyadi Sri Mulyadi Dt. Basa Sri Mulyadi Dt. Basa Suhelmidati, Etri Sukatik Sukatik - - Sukriman, Anil Suryani, Rahmi Syukri Syukri Teguh Yaman Telaumbanua Tengku Machdhalie Sofie Thoriq, Andika Tiara Aninditha Tri Ego Wiranata Tri Wahyu Widodo Ulhafidzah, Annisa Ultra Marsedi Ummi Salamah Verdian, Riza Vikra Yudha Yolanda Afza Widi Mulia Nasution Widi Mulia Nasution Yanda, Hengki Ebitra Yasmendra Rosa Yazmendra Rosa Yeni Fathatun Najihah Yuliarman Yuliarman Yuliarman Yuliarman Yuliarman Yuliarman Yuniati, Yuniati Yusri Mura Yusuf Yusuf Zahwa Azzahra, Gita Zaimahwati, Zaimahwati Zaini, Muhammad Fadhel Zhafiri, Syahman Zikri Hamdani Zul Ihsan Zulhendri Zulhendri