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Widi Astuti
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Pengaruh penambahan fly ash PLTU Cirebon dan temperatur pengeringan terhadap kuat tekan material konstruksi beton High Volume Fly Ash (HFVA) Anggara, Ferian; Sujoto, Vincent Sutresno Hadi; Tangkas, I Wayan Christ Widhi Herman; Astuti, Widi; Sumardi, Slamet; Putra, Ilham Satria Raditya; Putra, Agik Dwika; Petrus, Himawan Tri Bayu Murti
Jurnal Rekayasa Proses Vol 17, No 2 (2023)
Publisher : Departemen Teknik Kimia Fakultas Teknik Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jrekpros.77825

Abstract

Penggunaaan batubara sebagai sumber energi di negara berkembang seperti Indonesia masih menjadi pilihan utama. Hasil samping pembakaran batubara di Pembangkit Listrik Tenaga Uap (PLTU) berupa fly ash dan bottom ash (FABA) akan terus meningkat seriring konsumsi bataubara sebagai energi meningkat. Industri semen dapat mengahsilkan 2,9 miliar ton CO2 ke atmosfer hal ini akan berdampak langsung terhadap kenaikan temperatur bumi dan pemansan global. Subtitusi material semen dengan fly ash menjadi sebuah pilihan yang ramah lingkungan dalam meminimalisir gas CO2. Pembuatan beton dimulai dengan mencampurkan fly ash dan semen pada berbagai rasio (1:1; 1:3 ; 1:4) dengan air. Air dituang secara bertahap sedikit demi sedikit sambil diaduk hingga membentuk pasta. Pasta beton yang telah terbentuk dicetak pada cetakan kubus ukuran 5x5x5 cm3. Cetakan pasta HVFA didiamkan selama 1 hari, kemudian dikeringkan (curing) pada temperatur yang divariasikan (30, 40 dan 60°C). Hasil Analisa oksida komponen kimia menunjukan bahwa fly ash dari PLTU Cirebon tergolong kategori fly ash kelas C dengan kadar CaO lebih dari 10% dan SiO2 kurang dari 46% dan Kekuatan beton (compressive strength) HVFA yang  paling besar yang dapat dihasilkan beton HVFA adalah pada rasio komposisi semen dan fly ash 1:3 dengan temperatur pengeringan 40°C. material fly ash mampu menggantikan semen sebesar 75% dari kebutuhan beton HVFA dengan kekuatan beton mencapai 12,557 MPa pada kondisi pengeringan 40°C. Hasil optimasi menunjukan variable yang paling berpengaruh terhadap kuat tekan beton yang dihasilkan adalah temperatur pengeringan.
Low-Grade Ilmenite Leaching Kinetics Using Hydrochloric Acid: RSM and SCM Approaches Supriyatna, Yayat Iman; Prasetya, Agus; Astuti, Widi; Sumardi, Slamet; Natalia, Priskila; Adythia, Dicky Marsa; Petrus, Himawan Tri Bayu Murti
Indonesian Journal of Chemistry Vol 24, No 3 (2024)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.79092

Abstract

Minerals containing TiO2 are common in Indonesia, such as ilmenite in iron sand deposits scattered along the country's coasts. Ilmenite is an important source of titanium. One method for making TiO2 from ilmenite is by solubilizing both the Fe and Ti elements in HCl and then immediately hydrolyze the Ti. The leaching of low-grade ilmenite (ground to 0.177-0.149 mm) is studied kinetically by HCl in a stirred reactor. The research was conducted using the caustic fusion method followed by HCl leaching. The leaching reaction kinetics at the optimum conditions are analyzed using response surface methodology (RSM) with a second-order polynomial equation model and SSE with the shrinking core model (SCM). The results showed that HCl concentration and leaching time were directly proportional to the leached titanium concentration. In contrast, the leaching temperature was inversely proportional. The optimum operating conditions were obtained at a temperature of 30 °C, 9 M HCl, and 120 min of leaching time. The shrinking core model is a better representation of the kinetics than RSM with a second-order polynomial equation model. Based on SCM, the rate of the leaching reaction of titanium from low-grade ilmenite is controlled by diffusion through the ash layer.
Electrocoagulation in Wastewater from Spent-Batteries Recycling Mufakhir, Fika Rofiek; Khotimah, Chusnul; Oediyani, Soesaptri; Astuti, Widi; Sumardi, Slamet; Prasetia, Hendra; Arham, La Ode; Hakim, Hafid Zul; Petrus, Himawan Tri Bayu Murti; Poernomo, Venny
Indonesian Journal of Chemistry Vol 24, No 4 (2024)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.93262

Abstract

This study uses electrocoagulation to investigate reducing heavy metal content in wastewater from discharging spent batteries. ICP-OES analysis shows that heavy metals exceed the environmental water standard. The electrocoagulation procedure was conducted within a reactor with a 500 mL volume and a rectifier with a 5 A current capacity. Three types of electrode material combinations were used: iron (Fe) and aluminium (Al) as well as Fe-Fe, Al-Al, and Fe-Al pairs with 1 cm in the distance by parallel monopolar cells. Alternating current was used with 30, 40, and 50 A/m2 current density. The best result shown in the Fe-Al electrode pair combination system at 40 A/m2 for 30 min contact time and removal efficiencies for Co, Cd, Ni, Zn, and As is 98.76, 90.73, 99.32, 97.93, and 97.78%, respectively, while for Hg it is 31.84%, even though only Cd is above the standard limit. The heavy metal bearing was confirmed using SEM-EDS in the floc and the precipitate residue. The dissolved electrode materials and electrical energy consumed are 0.32 g and 0.109 kWh/m3, respectively. This method can be a good alternative for treating wastewater compared to direct current electrocoagulation, where the electrode and energy will be less consumed.
Election Hoax Detection on X using CNN with TF-RF and TF-IDF Weighting Features Adelia, Dila; Astuti, Widi; Lhaksmana, Kemas Muslim
Journal of Computer System and Informatics (JoSYC) Vol 5 No 4 (2024): August 2024
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/josyc.v5i4.5778

Abstract

X social media is a microblogging platform for sharing brief thoughts and trends. It has become a focal point for expressing political views. The increased political engagement on X social media has facilitated the swift and extensive sharing of ideas. Still, it also brings the risk of spreading false information and hoaxes that can manipulate public opinion. Preventing fake news on social media is crucial because it can influence election outcomes and social stability. For example, X social media has been used during elections to spread hoaxes, such as false claims of vote tampering or misleading information about candidate qualifications. This study implements a Convolutional Neural Network (CNN) due to its advantages in recognizing complex patterns and achieving high performance in tasks like classification. The dataset used in this study consists of 2,670 tweets. The dataset is divided into three subsets: 60% for training, 20% for testing, and 20% for validation. It also uses Term Frequency Relevance Frequency (TF-RF) and Term Frequency Inverse Document Frequency (TF-IDF) weighting features to improve accuracy in detecting fake news. This study compares the TF-RF and TF-IDF weighting features using the CNN classification method on the topic of the 2024 election. The testing results indicate that both TF-RF and TF-IDF achieved similar overall performance, with TF-RF slightly excelling in recall and F1-score. At the same time, TF-IDF showed a marginally higher precision.
Sentiment Analysis Classification on PLN Mobile Application Reviews using Random Forest Method and TF-IDF Feature Extraction Rizkiyanto, Muhamad Dafa; Purbolaksono, Mahendra Dwifebri; Astuti, Widi
INTEK: Jurnal Penelitian Vol 11 No 1 (2024): April 2024
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/intek.v11i1.4774

Abstract

PT PLN (Persero) has developed the PLN Mobile application to provide electricity services. The large number of users has resulted in various reviews regarding the strengths, weaknesses, and issues of the application. To evaluate the application's quality, sentiment analysis is conducted on user reviews. Review data is obtained through the Google-Play-Scraper API and cleaned through text preprocessing. This study utilizes the TF-IDF feature extraction method and Random Forest for classification. TF-IDF involves weighting each word in a text. This method transforms words into numerical representations, indicating both their frequency and relevance within the document's context. Random Forest is a supervised machine learning algorithm that utilizes ensemble learning which categorizes reviews into positive and negative, This study produced the best model using stemming data and TF-IDF unigram, along with a combination of hyperparameters. The n-estimator was set to 100, max_feature to log2, max_depth to unlimited (none), and entropy criterion, resulting in the highest F1-Score of up to 93.14%.
Cooperation Between Indonesia Battery Cooperation (IBC) and Hyundai on the EV Battery Project in Indonesia as A Form of Renewable Energy Solution in Response to Climate Change Astuti, Widi; Putra, Ferdian Ahya Al
Jurnal Hubungan Internasional Vol. 17 No. 2 (2024): JURNAL HUBUNGAN INTERNASIONAL
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jhi.v17i2.60634

Abstract

Energy frequently relates to bring up in relation to the Net Zero Emissions 2060 target. Finding a way to achieve zero carbon emissions with an energy sustainability solution in line with the seventeen Sustainable Development Goals (SDGs) is the goal. Indonesia and other nations follow the Energy Trilemma, which emphasized three primary factors—energy security, energy affordability, and sustainable energy—to become factors that are taken into account for planning and history in order to address all social, economic, and environmental aspects. More precisely, taking into consideration the capacities of both countries, South Korea and Indonesia have proposed several strategic alternatives, one of which is the EV battery project development strategy. In addition to resources and other forms of strategic support, South Korea invests in, owns, and controls technology for Indonesia. Indonesia is able to meet 52% of the world’s nickel demand. This study examines how the Hyundai consortia and the Indonesian Battery Corporation consortia worked together to build an EV battery project in Indonesia, which had an impact on both nations to achieve the solution of how to be one of the renewable energy solutions in response to climate change. Keywords: EV Battery; Trilemma Energy; Global Value Chain; Hyundai; IBC.
DAMPAK PENINGKATAN PANAS DAN JENIS REDUKTAN TERHADAP SAPROLIT: STUDI PENDAHULUAN Bahfie, Fathan; Manaf, Azwar; Astuti, Widi; Nurjaman, Fajar; Prasetyo, Erik; Susanti, Diah; Sipahutar, Wahyu Solafide
Indonesian Mining Journal Vol 27 No 1 (2024): Indonesian Mining Journal, April 2024
Publisher : Balai Besar Pengujian Mineral dan Batubara tekMIRA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30556/imj.Vol27.No1.2024.1533

Abstract

Indonesia significantly contributes to the global electric vehicle battery market due to its substantial medium- and low-grade nickel reserves. This study utilized saprolitic nickel ore from Halmahera, Maluku, Indonesia. However, the research on saprolite needs some improvements due to its complex mineral composition, which affected on the roasting process significantly. Therefore, a thorough understanding of the properties of laterite ores is critically important, particularly concerning laterite pre-reduction processes. The ore was finely sieved to a particle size of less than 100 mesh and then heated at temperatures of 250, 900, and 1150°C with the variation of reductant (anthracite and palm kernel charcoal). Extensive mineralogical analysis was conducted using X-ray diffraction (XRD), X-ray fluorescence (XRF), and scanning electron microscopy with energy-dispersive spectroscopy (SEM-EDS). The analysis of saprolite showed that it contains about 1.82% nickel, 30.47% iron, 10-20% magnesium, 4.86% aluminum, and 8.1% silicon by weight. Its mineral composition is mainly 53.1% goethite, 38.3% lizardite, and 8.7% quartz. The study found that goethite in saprolite was transformed into hematite around 250°C. At 900°C, the forsterite was crystallized, and at 1150°C, the ferronickel was formed. The transformation of lizardite is important as it affected on nickel diffusion within the iron matrix, which impacted on the material's properties. A thermal upgrading method with reductants like anthracite and palm kernel charcoal was used at lower temperatures to enhance the properties of saprolite. These findings provided valuable insights into saprolite's mineralogical composition and behavior, potentially offering improvements in various industrial processes and applications.
Peran Pendidikan Anak Usia Dini Dalam Menunjang Perkembangan Kognitif Dan Sosial Anak Astuti, Widi; Triani, Lili
Early Childhood Education Development and Studies (ECEDS) Vol 5 No 2 (2024): November
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/eceds.v5i2.18733

Abstract

Penelitian ini bertujuan untuk menganalisis peran PAUD dalam mendukung perkembangan kognitif dan sosial anak usia dini. Dengan meningkatnya kesadaran akan pentingnya pendidikan pada masa usia emas, studi ini menggunakan pendekatan kuantitatif melalui observasi, wawancara, dan kuesioner kepada guru dan orang tua di berbagai lembaga PAUD. Data dianalisis dengan regresi linier berganda untuk melihat pengaruh berbagai variabel, seperti latar belakang sosial-ekonomi, interaksi anak-guru, dan keterlibatan orang tua. Hasil penelitian menunjukkan bahwa PAUD berperan signifikan dalam perkembangan kognitif dan sosial anak, terutama melalui kualitas interaksi dengan guru dan pembelajaran berbasis permainan. Keterlibatan orang tua juga memperkuat perkembangan sosial. Temuan ini memperkuat pentingnya PAUD sebagai fondasi dalam pembentukan keterampilan kognitif dan sosial anak, dan memberikan implikasi bagi peningkatan kualitas pendidikan anak usia dini di Indonesia
Zakat as a Tax Reduction in the Framework of Realizing Indonesia as a Welfare State: Zakat sebagai Pengurangan Pajak dalam Kerangka Mewujudkan Indonesia sebagai Negara yang Sejahtera Zuhdi, Syaifuddin; Rauf, Aulia Lestari; Astuti, Widi
QISTHOSIA : Jurnal Syariah dan Hukum Vol. 5 No. 2 (2024)
Publisher : Sekolah Tinggi Agama Islam Negeri Majene

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46870/jhki.v5i2.1136

Abstract

Indonesia, as a country with the largest Muslim population, has significant potential in integrating zakat as a complementary social welfare instrument to national tax policy. This article aims to disclose the implementation of zakat as a tax deduction in leading Indonesia to be a welfare state. This study uses a normative legal approach with a conceptual method to explore the potential for integrating zakat as an income tax deduction, in order to achieving a more equitable and inclusive distribution of welfare. The data used is secondary data in the form of documents, both those included in the category of primary legal materials such as regulations or secondary legal materials such as books and journals. The main findings of the study indicate that the concept of a welfare state in general seeks to realize public welfare through equitable distribution and public policies based on the principle of benefit for all citizens. and recognizing zakat as an income tax deduction can improve social justice for Muslims and strengthen national fiscal independence through direct optimization of welfare distribution. This approach is expected to not only increase active community participation in state policies, but also accelerate poverty alleviation and reduce the country's dependence on external financing. Thus, this study offers a synergistic model between zakat and taxes that has the potential to create a sustainable and inclusive welfare system for all levels of society.
ZnO Production from EAF Solid Waste Using Hydrothermal Methods via Oxalate Precipitation Nulhakim, Lukman; Prasetyo, Imam; Rozana, Monna; Astuti, Widi
Aceh International Journal of Science and Technology Vol 12, No 1 (2023): April 2023
Publisher : Graduate School of Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/aijst.12.1.29579

Abstract

Electric Arc Furnace (EAF) waste contains 50-60% Zn. EAF waste synthesis has the potential to produce ZnO, which can be used in a variety of applications. The hydrothermal method is used in the synthesis, with time variations of 3 and 6 hours and temperature variations of 120 C, 150 C and 200 C using precipitating reagents in the form of sodium hydroxide (NaOH) and oxalic acid (C2H2O4). UV-Vis spectrophotometer characterization result shows the absorbance value at 365 nm, which is the absorbance characteristic of ZnO material. The result of increasing the Zn element was revealed by XRF characterization. The XRD characterization revealed zinc oxalate dehydrates. This result depicts the hydrothermal with the oxalic acid solvent used to produce zinc oxalate dehydration at various temperatures and time variations.
Co-Authors -, Dwiniasih Abdul Hakim Abdul Rachman Abimanyu, Arsenio Jusuf Achmad Roesyadi Adelia, Dila Adiatama, Aufa Rai Adil Jamali, Adil Aditya Firman Ihsan Adiwijaya Adythia, Dicky Marsa Agung Ari Wibowo Agus Haerudin, Agus Agus Prasetya Ahmad Taufiq Ahmad Tawfiequrrahman Yuliansyah Aisyah Aisyah Aji, Sulistyo Ajrina, Arij Al Imais, Syafin Alexandra, Natasya Viona Alifiah Azzahra Amelia Fitri Amien, Iqmal Lendra Faisal Aminuyati Anastasia Prima Kristijarti Anastasia Prima Kristijarti Andriani, Amelia Andriyana, Alma Andriyaningsih, Ayu Angelia, Annasthasya Milleni Ani Azzara Ani Diana Anugrah, M. Taufik Apriliansyah, Udin Aprimal Aprimal, Aprimal Apriyanti, Eny Aprolita Aprolita Ardianto, Hendri Arham, La Ode Arif Budianto Cuaca Arsyad Lubis, Arsyad Astri, Mutiara Sandina Astrilia Damayanti Atiqoh, Atiqoh Atitah, Siti Ayu, Fera Diah Azany, Ghaefira Tasya Azhar Azhar Azwar Manaf Bahfie, Fathan Bahri bahri Bahri, Elsha Pamida Bayu Kurniawan Birawidha, David C Bratakusuma, Danu Bratakusuma, Danu Budiman, Dwi Aji Canceryta, Sherly Catur Rini Widyastuti Catur Rini Widyastuti, Catur Rini Chafidz, Achmad Chusnul Khotimah Dailatus Syamsiyah, Dailatus Dais Maesadillah Danang Triantoro Murdiansyah Daulay, Amru Daulay, Putri Jesukma Debi, Jeri Devei, Astri Devi, Fatma Putrinta Dewi Agustina Iryani, Dewi Agustina Dewi Purnama Sari Dewi, Dira Fitria Dewi, Jilda Sofiana Dhidik Prastiyanto Dhoni Hartanto Diah Ayu Wulandari, Diah Ayu Diah Susanti Diwangkara, Naufal Kresna Diyanti, Eka Djoko Widodo Donny Lesmana Dwi Aryani, Dwi Dwi Fitriyani Dwi Handayani, Anggelita Dwi Puspa, Cindy Dwi Wiji Lestari, Dwi Wiji Dwifebri, Mahendra Dzati Utomo Efrida, Rizki Eko Wahyuni Elmi, Bellah Asa O'Neal Endang Susilowati Erik Prasetyo Fachry Abda El Rahman Fadilla, Rahma Nur Fahrurozi, Mohammad Fajar Nurjaman Fajriani, Sisca Nur Fandika, Putri Maharani Adinda Fathurahman, Dennis Fazila, Dian Ferian Anggara Ferona, Naiza Firman Ihsan, Aditya Fissilmi, Siti Rahiel Fitri, Zulfa Ajrina Fitriani, Fira Zulfa Gata, Windu Gemilar, Gelar Panji Gyan Prameswara H. Sihabudin Hadi Rohyana Hadikawuryan, Danang Subarkah Haditira, Ragil Hafid Zul Hakim Hafidhah, Shiddiqoh Haidilia Maharani Hamid, Delvani Putri Faradilla Handini, Tri Hanif Ardhiansyah Hardiantika, Widya Harianingsih, Harianingsih Haris Budiana Harry Supriadi Harta Haryadi, Harta Hawari, Nadifatul Hendrik Setiawan, Hendrik Heny Kusumayanti Herdwiyanti, Menik Himatul Khoeroh Himawan Tri Bayu Murti Petrus Himawan Tri Bayu Murti Petrus Hunainah I Nyoman Sueca Ida Zuniarti, Ida Ignatius Hapsoro Wirandoko Ika Amalia, Ika Ika Fitri Apriani Ilham Jaya Imam Prasetyo Iman Supriyatna, Yayat Indah Nurul Izzati, Indah Nurul Indra Perdana Indri Rahayu Indriyani, Niko Indriyati, Rose Intan Tri Lestari Iqlima Fristy Wahrolis Iramadhani, Dwi Irma Nur Amalia Isna Muhammad Fathoni Isnaini Isnaini Istihanah Nurul Eskani, Istihanah Nurul Ivan Hanafi Jannah, Reni Ainun Januarika, Satria Jayawarsa, A.A. Ketut Jefry, January Joni Setiawan Julianti1, Mega Julistia, Rini Jumadilla, Julia Karlimah Karlimah Karyono, Hari Kasman Kasman Kemas Muslim Lhaksmana Kevin Cleary Wanta Khairunnisa Khalisa Okky Khoeroh, Himatul Khoiroh, Ianatul Khoirul Anwar Khudzaifah Dimyati Kristian, Lian Kurniawansyah, Firman Kusniawati, Mega Ayu Laela, Euis Laelatul Gorro Laili Etika Rahmawati Lanjar, Lanjar Leksmono, Nabil Hanif Lestari, Liana Lestari, Yovita Endah Lia Mazia, Lia Lola Wahyuni Lubis, Jihan Asfani Lukita, Carolyn Luwiha , Luwiha LUWIHA LUWIHA Maftukhaturrizqiyah, Maftukhaturrizqiyah Maharani Kusumaningrum Maharani, Safira Mahdali, Yahya Mahendra Dwifebri Purbolaksono Maksiola, Masni Mardiono Mardiono Marjunus, Roniyus Martini Martini Maryam Maryam Maspupah, Maspupah Masyfufah, Lilis Maszura, Leni Meliyana Moch. Setyadji Mudjiarto, Hari Mufakhir, Fika Rofiek Mufakhir, Fika Rofieq Muhammad Amin Muhammad Farhan Muhammad Ilyas Mujiono Mujiono Mullah, Ikram Muna, Zurratul Munizar Munizar, Munizar Mustika, Pra Cipta Buana Wahyu Nagatirta, Partama Nagatitha, Partama Nainggolan, Nurul Istiqomah Nasution, Elvy Sahnur Nasution, Yogi Tri Putra Natalia, Priskila Nazwa, Siti Halimatu Negoro, Gusti Maulana Neneng Anisa Rahmawati Ni Made Yuliani Niami, Mutimatun Nihayatus Sholichah Ningtyas, Fitri Ayu Ningtyas, Mega Nirmala, Evatias Nizar, Fariz Noer Rahmi Ardiarini, Noer Rahmi Nova Susilowati, Nova Novita, Cahya Nugraha, Mohamad Rizki Nugraheny, Alvi Nur Nugroho, Tatag Adi Nulhakim, Lukman Nur Afni Safarina, Nur Afni Nur Nalindra Putra, Nur Nalindra Nur Sakinah Nurhapsari Pradnya Paramita Nurmalasari Nurmalasari Nurmansyah Nurmansyah, Nurmansyah Nuzuluddin, Taufiq Rizza Pambudi, Puguh pamungkas, Nanda dwi Panut Mulyono PERMADI, SIGIT Pinania, Kherani Hana Pinem, Joshua Piscaloka, Viora Rianda Poernomo, Venny Pradnya, Irene Nindita Prakosa, Agus Pramesti, Amadea Vaskallya Pramitha, Deva Aurelya Prasetyo, Johan Hendri Pribadi, Maylina Surya Wirawati Prima Astuti Handayani Pujiama, Riwonan Purwana, Yulian Candra PURWANDOKO, EDI Puteri, Nurhidayah Putra, Agik Dwika Putra, Ferdian Ahya Al Putra, Ilham Satria Raditya Putri Puspitasari Putri, Adelia Mahayani Putri, Alika Setia Putri, Bunga Ludmila Rendrar Putri, Dini Fitria Putri, Jesika Puzi, Asmarani Ahmad R.TD Wisnu Broto Rachmad Djamaludin Radenrara Dewi Artanti Putri Radenrara Dewi Artanti Putri, Radenrara Dewi Artanti rahayu, Intan dwi Rahmadani Rahmadani Rahmadani, Chindy Novita Rahman, Muhammad Miftahur Rahmia Dewi, Rahmia Ramadhany, Putri Ratna Dewi Kusumaningtyas Ratna Frida Susanti Rauf, Aulia Lestari Rauhillah, Siti Resti, Indah Ana Retno Wulandari Ria Saputri, Ria Ria Wulansarie, Ria Riayanti, Fatma Indah Rini Julistia Riyadi, Delfimelinda Nurul Riza Mazidu Sholihin Rizkiyanto, Muhamad Dafa Rofiek Mufakhir, Fika Rohyana, Hadi Romdhoni, Mohamad Rosmiati, Meiti Rozana, Monna RR. Ella Evrita Hestiandari RTD. Wisnu Broto Rusmawati, Cikal Pustiprayata Sabarman, Harsojo safarina, Nurafni Safitri, Isnaini Safriana Samiaji, Danang Rusdawidra Saputro, Muhammad Andi Saragih, Rasianna Br. 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