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All Journal Jurnal Ilmu Pertanian Indonesia Jurnal Teknologi Dan Industri Pangan MEDIA KONSERVASI Depik Jurnal Microbiology Indonesia Berkala Fisika Indonesia : Jurnal Ilmiah Fisika, Pembelajaran dan Aplikasinya Jurnal Mimbar Hukum Jurnal Teknik Industri Untirta Majalah Ilmiah MOMENTUM JURNAL PENGABDIAN KEPADA MASYARAKAT Jurnal Ilmiah Mahasiswa Kelautan Perikanan Unsyiah E-Dimas: Jurnal Pengabdian kepada Masyarakat BIOMA Jurnal Pendidikan Informatika dan Sains Jurnal Ilmiah Didaktika Mimbar Hukum - Fakultas Hukum Universitas Gadjah Mada Pharmacology and Clinical Pharmacy Research JURNAL EDUCATION AND DEVELOPMENT AR-RAZI Jurnal Ilmiah Folium : Jurnal Ilmu Pertanian JISIP: Jurnal Ilmu Sosial dan Pendidikan Jurnal Keperawatan Suaka Insan JCPS (Journal of Current Pharmaceutical Sciences) Abdimas Universal Jurnal Ilmu Farmasi dan Farmasi Klinik JIEP: Jurnal Ilmu Ekonomi dan Pembangunan Jurnal Jaring SainTek Proceeding Biology Education Conference Melek IT: Information Technology Journal Prosiding Konferensi Nasional PKM-CSR AKADEMIK: Jurnal Mahasiswa Humanis PENSA E-JURNAL: PENDIDIKAN SAINS

MARIA ULFAH

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Author-ID : 204422

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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UJI AKTIVITAS ANTIOKSIDAN EKSTRAK ETANOLIK HERBA ALFALFA (Medicago sativa L.) DENGAN METODE DPPH (1,1-difenil-2-pikrilhidrazil) herni widyowati; Maria Ulfah; sumantri sumantri
Jurnal Ilmu Farmasi dan Farmasi Klinik JURNAL ILMU FARMASI DAN FARMASI KLINIK VOL.11 NO.1 JUNI 2014
Publisher : Universitas Wahid Hasyim Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31942/jiffk.v11i1.1285

ABSTRACT Alfalfa (Medicago Sativa L.) plant is known to have compounds of flavonoid and vitamine C which can serve as antioxidants. This research aims knowing the antioxidant activity of alfalfa herbal ethanolic extract using DPPH (1,1-diphenyl-2-pikrilhydrazil method and knowing the content of its active compound have wan. The research was performed by making alfalfa herbal ethanolic extract by maceration method using ethanol extracting solvent 70%. The extract was divided into some concentrations of 10, 20, 40 and 80 μg/ml. As a comparison, vitamine C was used with concentrations of 1, 2, 4, and 8 μg/ml. The test of antioxidant activity was conducted by reacting 50 μl of alfalfa herbal ethanolic extract with 4.0 ml DPPH 0.1 mM, then it was measured for the absorbance using visible spectrophotometry with a wavelength of 525 nm. The obtained data was calculated to discover its antioxidant activity. The statistical analysis used was Mann-Whitney test. The IC50 value was gained using probit analysis and the statistical analysis used t-test and to discover the content of active compound in alfalfa herbal ethanolic extract, TLC test was performed. The research result indicated that the alfalfa herbal ethanolic extract had antioxidant activities with alfalfa herbal ethanolic extract IC50 value of 59.339 μg/ml, and standard solution of vitamine C IC50 value of 4.768 μg/ml. The result of statistical test for IC50 indicated an unsignificant difference between alfalfa herbal ethanolic extract and vitamine C. Otherside it could be concluded that the alfalfa herbal ethanolic extract containing flavonoid had antioxidant activities. Keywords: Alfalfa (Medicago sativa L.) herbal ethanolic extract, IC50, antioxidant

Pengaruh Pelarut Metanol terhadap Alumunium sebagai Wadah Obat Salep Mata Hernowo Widodo; Joni Warta; Maria Ulfah; Amaliah Annisa
Jurnal Jaring SainTek Vol. 1 No. 2 (2019): Oktober 2019
Publisher : Fakultas Teknik, Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/jaring-saintek.v1i2.176

Corrosion is a decrease in the quality of a material or metal due to electrolyte reactions in the environment that affect the life of the material. Corrosion rate is the speed of propagation or speed of decline in the quality of a material with time. Corrosion processes occur in acidic environments, sea water, rain water, and soil are the result of chemical reactions that are also caused by electrochemical processes. The purpose of this study is to determine the corrosion resistance of aluminum metal to variations in the solution of Methanol (CH3OH). This study uses aluminum plates that will be immersed 5 days with a solution of Methanol (CH3OH). How to collect data by testing the Scanning Electron Microscopy (SEM) on each aluminum plate specimen that has been treated with corrosion by heating at a temperature of 60 oC. Methanol solution is one of the factors causing corrosion of metals. If in the free environment, air, temperature, and acidic substances are most commonly found as a factor causing corrosion. The increased corrosion rate is due to the higher concentration of the cause of corrosion. In this discussion Methanol as the concentration used, and aluminum as the metal tested.

Identifikasi Spesies Hiu yang Tertangkap di Perairan Utara Aceh Fredi Lesmana; Maria Ulfah; Rizwan Rizwan
Jurnal Ilmiah Mahasiswa Kelautan Perikanan Unsyiah Vol 3, No 1 (2018): Februari 2018
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (320.778 KB)

Sharks have been international problems since 2013 after the emergence of several species of shark in Appendix II CITES status. This is due to the high exploitation of shark fishing, both as a target catch and as a by-catch. This study entitled the identification of shark species caught in the North Aceh Waters, which aims to identify the species of the shark located in the North Aceh Waters and to determine the conservation status of the shark species. The study was conducted at Pelabuhan Perikanan Samudera Lampulo (PPS Lampulo) for three months, starting from February 2017 to April 2017. The method used in this research is survey method and shark identification done by Rapid Assessment (rapid estimation), refers to the methods undertaken by Fahmi and White (2006). From the results of the observation, sharks identified as many as 747 individuals consisting of 16 families, 20 genus and 32 species of shark. Of these, there are several species included in the IUCN red list, i.e. 1 species with EN category (threatened), 10 species in the VU category (vulnerable), and 13 species in the NT category (Near Threatened). In addition, 4 shark species are categorized into Appendix II CITES status. Hiu telah menjadi permasalahan internasional sejak tahun 2013, setelah masuknya beberapa spesies hiu dalam status apendiks II CITES.Hal ini disebabkan oleh tingginya ekploitasi penangkapan hiu, baik sebagai tangkapan target maupun sebagai tangkapan sampingan.Penelitian ini berjudul identifikasi spesies hiu yang tertangkap di Perairan Utara Aceh, yang bertujuan untuk mengidentifikasi spesies hiu yang berada di Perairan Utara Aceh dan untuk mengetahui status konservasi spesies hiu tersebut.Penelitian dilakukan pada Pelabuhan Perikanan Samudera Lampulo (PPS Lampulo) selama tiga bulan, dimulai saat bulan Februari 2017 hingga April 2017.Metode yang digunakan dalam penelitian ini adalah metode survei dan identifikasi hiu dilakukan secara Rapid Assessment (pendugaan secara cepat), mengacu pada metode yang dilakukan oleh Fahmi dan White (2006). Dari hasil pengamatan, berhasil teridentifikasi sebanyak 747 individu terdiri dari 16 family, 20 genus dan 32 spesies hiu. Dari jumlah hiu tersebut terdapat beberapa spesies yang masuk dalam IUCN red list yaitu, 1 spesies dengan kategori EN (terancam), 10 spesies dengan kategori VU (rawan), dan 13 spesies dengan kategori NT (hampir terancam). Selain itu 4 spesies hiu masuk kedalam status Appendix II CITES.

PENGHENTIAN PENYIDIKAN: TINJAUAN HUKUM ADMINISTRASI DAN HUKUM ACARA PIDANA Maria Ulfah; Anne Safrina; W.M. Herry Susilowati
Mimbar Hukum - Fakultas Hukum Universitas Gadjah Mada Vol 29, No 1 (2017)
Publisher : Fakultas Hukum Universitas Gadjah Mada

AbstractThis article discusses the police’s authority to stop ongoing criminal investigation, i.e. by the issuance of an Instruction Letter to Cease Criminal Investigation and how it is at present used in practice. This article is based on a legal reseach conducted on the basis of a legal dogmatic and socio-legal (criminal procedural and administrative law) approach. The research conducted reveals that the police enjoy great discretionary powers when deciding how and when to discontinue criminal investigations. The use of this power is regulated internally outside the purviews of the general public. In practice the police’s discretionary power to decide on the basis of its own wisdom is prone to be used for other social-political or even short term economic interest. IntisariTulisan ini membahas kewenangan diskresioner penyidik dari Kepolisian untuk menghentikan penyidikan melalui penerbitan Surat Perintah Penghentian Penyidikan (SP3) serta penggunaannya dalam praktik. Tulisan ini didasarkan pada penelitian hukum yang menggunakan pendekatan yuridis normatif (dogmatis) dan socio-legal di bidang hukum acara pidana dan hukum administrasi. Penelitian ini menunjukkan bahwa penyidik menikmati kewenangan diskresioner yang sangat luas untuk menentukan kapan dan bagaimana penyidikan dihentikan. Penggunaan kewenangan ini diatur melalui peraturan-peraturan internal yang pelaksanaannya berada di luar pengawasan masyarakat umum. Dalam praktiknya bagaimana kewenangan ini digunakan atas dasar kebijakan penyidik seringkali dilandaskan pada tujuan mencapai ragam tujuan sosial-politik bahkan tujuan ekonomi jangka pendek.

UJI AKTIVITAS ANTIOKSIDAN EKSTRAK ETANOL DAUN KARIKA (Carica pubescens) DENGAN METODE DPPH BESERTA IDENTIFIKASI SENYAWA ALKALOID, FENOL DAN FLAVONOID Indranila Indranila; Maria Ulfah
Jurnal Ilmu Farmasi dan Farmasi Klinik Prosiding Seminar Nasional "Peluang Herbal Sebagai Alternative Medicine"
Publisher : Universitas Wahid Hasyim Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31942/jiffk.v0i0.1352

ABSTRACT Antioxidant is a compound that can inhibit free radicals. Free radicals can cause several diseases. The purpose of this study is to reveal the antioxidant activity of carica leave ethanol extract (CLEE) (Carica pubescens) and determine its active compounds. The extract produces with maceration method using ethanol 96% as a solvent. The antioxidant activities of CLEE series concentration (2.5; 5.0; 10.0; 15.0; 20.0 and 25.0) ppm and vitamin C series concentration of (0.5; 1.0; 1.5; 2.0 and 2.5) ppm as standard antioxidant were measured with DPPH method. Absorbance was observed by spectrophotometer UV-Vis. Antioxidant activities presented by IC50 value derived from probit analysis. Identification of active compounds in CLEE was performed by Thin Layer Chromatography (TLC) method. The results showed that the IC50 value for CLEE and vitamin C as an antioxidant were 30.8 ppm and 2.9 ppm respectively. Base on TLC analysis, alkaloids, a phenol compound, and flavonoids were found in CLEE. Key words: antioxidant, Carica pubescens, DPPH, TLC

PELATIHAN PEMBUATAN REAGEN KIMIA UNTUK PRAKTIKUM IPA SMP DAN IMPLEMENTASINYA DALAM KEGIATAN PEMBELAJARAN BAGI GURU IPA, LABORAN DAN SISWA SMP Eny Hartadiyati; Maria Ulfah; Praptining Rahayu; Lussana Rossita Dewi
E-Dimas: Jurnal Pengabdian kepada Masyarakat Vol 2, No 1 (2011): E-DIMAS
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/e-dimas.v2i1.93

Abstract Based on the survey, SMP Negeri 4 Semarang had many parrarel classes that it had?é?á 3 hours/week for science subject. To support it, this school was equipped by having a natural sciences labolatory. Actually, the teaching and learning process at the labolatory has been done well, but it needed to develop. Thus, they still need to buy?é?á reagent?é?á in chemistry store or health labolatory to help teaching natural sciences on practical work. Therefore, that chemistry reagent was not in new condition. Chemistry reagent which was kept too long in a storage place would decrease its ?é?áquality, then it will reduce the validation result if it is used for experiment on practical work.?é?á This case was caused by the teachers whose lack of skills in using the practical tools and understanding the function of these tools and materials. Then, we need a management in how to use practical work especially chemistry materials and reagent. The target of this program was natural sciences teachers, labolatory assistants and students of SMP Negeri 4 Semarang. The output result for this program was chemistry reagent and a set of equipment. This training makes the teachers and labolatory assistants more competent in providing chemistry reagent for natural sciences practical work autonomously. Key words: chemistry reagent, natural sciences teachers, labolatory assistants.

Penerapan Informasi Dan Communication Of Technologyn (ICT) Dalam Peningkatan Mutu Pengajaran Bagi Guru Di Balikpapan Pada Era Revolusi Industri 4.0 Andi Sri Irtawaty; Maria Ulfah; Armin Armin; Syahruddin Syahruddin
Abdimas Universal Vol. 1 No. 2 (2019): Oktober
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Balikpapan (LPPM UNIBA)

Along with the development of technology, the quality of education is a benchmark to produce graduates who have knowledge and skills who are able to be competitive in the world of industry according to their fields of expertise. One of the supporting factors that can improve the quality of education is the presentation of quality and innovative teaching materials to trigger students' interest in learning. The I-Spring application is the solution because this application is able to combine audio, video, music and practice questions in one file, then convert the power point format into an html format that can be presented online at local hotspots. Based on this background, the Balikpapan State Polytechnic Electrical Engineering Department carried out Community Service activities with a training method for making multimedia-based teaching materials. The activity took place in Balikpapan State Middle School 15 and State Vocational High School 6 Balikpapan with 32 participants. The purpose of this training is to improve the competence of the teachers in making interesting and innovative teaching materials, thereby increasing students' interest in learning. The final results in the form of the work of the teachers can present the teaching materials based on I-Spring applications with a success rate of 85%.

Penerapan Model Pembelajaran Berbasis Masalah Melalui Pendekatan Saintifik untuk Meningkatkan Prestasi Belajar IPS Siswa Kelas IX C SMPN 7 Kota Bima Pokok Bahasan Potensi Sumber Daya Manusia Tahun Pelajaran 2017/2018 Maria Ulfah
JISIP: Jurnal Ilmu Sosial dan Pendidikan Vol 1, No 2 (2017): Volume 1 Nomor 2 JISIP: Jurnal Ilmu Sosial dan Pendidikan
Publisher : Mandala

Penerapan Model Pembelajaran Berbasis Masalah Melalui Pendekatan Saintifik untuk Meningkatkan Prestasi Belajar IPS Siswa Kelas IX C SMPN 7 Kota Bima Pokok Bahasan Potensi Sumber Daya Manusia Tahun Pelajaran 2017/2018. Tujuan penelitian adalah untuk mengetahui penerapan model pembelajaran berbasis masalah untuk meningkatan prestasi belajar IPS siswa kelas IX C SMPN 7 Kota Bima pada pokok bahasan Potensi Sumber Daya Manusia tahun pelajaran 2017/2018. Teknik pengumpulan data yang dilakukan adalah: (1) data tentang kegiatan proses pembelajaran dikumpulkan dengan menggunakan lembar observasi. (2) Hasil belajar Siswa dikumpulkan dengan memberikan tes pada setiap akhir siklus. Ketentuan belajar dikatakan tuntas jika ³ 85% siswa kelas IX C SMPN 7 Kota Bima mendapat nilai > 7,5 pada tes akhir tiap siklus dan aktivitas belajar siswa minimal berkategori aktif atau baik sesuai dengan standar skor yang telah ditentukan. Hasil penelitian yang didapat adalah sebagai berikut: Siklus I; nilai rata-rata hasil belajar siswa 7,23 dengan persentase ketuntasan belajarnya sebesar 62,50%, dan aktivitas siswa pada pertemuan pertama dan kedua adalah sebesar 55% yang tergolong pada kategori cukup aktif. Dan terjadi peningkatan pada Siklus II; nilai rata-rata hasil belajar naik menjadi 8,5 dengan presentase ketuntasan belajarnya 87,50% dan aktivitas belajar siswa 90% berada pada kategori sangat aktif. Hasil tersebut menunjukkan sudah tercapainya indikator penelitian yang ditetapkan, sehingga dapat disimpulkan bahwa penerapan model pembelajaran berbasis masalah melalui pendekatan saintifik dapat meningkatkan prestasi belajar IPS siswa kelas IX C SMPN 7 Kota Bima pada pokok bahasan Potensi Sumber Daya Manusia Tahun Pelajaran 2017/2018

UJI AKTIVITAS ANTIOKSIDAN FRAKSI n-HEKSAN EKSTRAK ETANOL DAUN KARIKA (Carica pubescens) DAN IDENTIFIKASI SENYAWA ALKALOID DAN FLAVONOIDNYA Annis Mu’awwanah; Maria Ulfah
Jurnal Ilmu Farmasi dan Farmasi Klinik Prosiding Seminar Nasional "Peluang Herbal Sebagai Alternative Medicine"
Publisher : Universitas Wahid Hasyim Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31942/jiffk.v0i0.1354

ABSTRACT Free radicals can lead to various dangerous diseases, such as cancer. Active compounds from medicinal plants such as flavonoids and alkaloids have been shown the antioxidant effects and may serve to prevent the negative effects of free radicals. Two of these compounds have been identified in leaf extract (Carica pubescens) and can be separated from other compounds with fractionation method. The purpose of this study was to determine the antioxidant activity of n-hexane fraction of karika leaves ethanol extract (HFKLEE) with DPPH method and identify its alkaloids and flavonoids compounds. Antioxidant activity of HFKLEE series concentration (50; 100; 150; 200; 250 and 300) ppm was performed by the DPPH method. Vitamin C series concentration (0.5; 1.0; 1.5; 2.0 and 2.5) ppm was used as a standard solution. Identification of alkaloids and flavonoids compound in HFKLEE determined by the thin layer chromatography (TLC) method. The results showed that HFKLEE has antioxidant activity with IC50 values of 157.134 ppm and Vitamin C at 2.875 ppm. TLC results indicate the presence of alkaloids and flavonoids compounds in HFKLEE. Key words: Karika leaves (Carica pubescens), n-hexane fraction, antioxidant, flavonoids and alkaloids

UJI AKTIVITAS ANTIOKSIDAN EKSTRAK ETANOLIK KULIT BUAH JERUK NIPIS (Citrus aurantifolia) DENGAN METODE DPPH (1,1-difenil-2- pikrilhidrazil) Ismiyyatun Khasanah; Maria Ulfah; Sumantri Sumantri
Jurnal Ilmu Farmasi dan Farmasi Klinik JURNAL ILMU FARMASI DAN FARMASI KLINIK VOL.11 NO.2 DESEMBER 2014
Publisher : Universitas Wahid Hasyim Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31942/jiffk.v11i2.1363

ABSTRACTCitrus aurantifolia is known contains flavonoid compound and high Vitamin C. One of theeffects of flavonoid and Vitamin C are antioxidant. This research aims to knowing the antioxidantactivity of citrus aurantifolia etanolic extract by using the DPPH (1, 1-difenil-2-pikrilhidrazil) methodand to knowing the active compound that containing whithin.The research was done by making level series of citrus aurantifolia etanolic extract, they were10, 20, 40 and 80 μg/ml. As a standard of comparison was used vitamin C with concentrations 1, 2, 4and 8 μg/ml. As a blank was used DPPH 0,1 mM. The antioxidant activity test was done by the DPPHmethod. The achieved data was counted to know it’s antioxidant activity. The statistical analysis wasused T-Test. To know IC50 (Inhibition Concentration)50 was used the probit analysis and to know it’sactive compound content was done an identification with TLC (Thin Layer Chromatography).The result of the research shows that etanolic extract of citrus aurantifolia has antioxidantactivity IC50 about 54,458 μg/ml and 4,768 μg/ml for vitamin C. The statistical test result of antioxidantactivity shows that there is no any significant difference. The TLC result shows that compoundcontained in etanolic extract of citrus aurantifolia are flavonoid and Vitamin C.Keywords: Citrus aurantifolia extract, DPPH method, antioxidant and IC50.

Co-Authors . Masturi Achmad Farajallah Addelia Shakilla Ade Siswanto Ady Laksono Putro Agustin Krisna Wardani Amalia Nurul ‘Ulum Amaliah Annisa Ambariyanto Ambariyanto Anastasia Sinuraya Andi sri Irtawaty Andi Sri Irtawaty Andrianus Sembiring Anne Safrina Annis Mu’awwanah Aristha Puji Wahyuningrum Arma Aditya Kartika Armin Armin Aufa Salsabila Beny Y.V. Nasution Budiasih Wahyuntari Burhanuddin Burhanuddin Chitra Octavina Christopher Meyer Cut N. Devira Darmayanti Darmayanti Dedi Andrian Dhia Salsabilla Diah Aprilia Diena Shulhu Asysyifa Dinar Putri Octaviani Dini Achnafani DWI YULIANTI EDIATI SASMITO Efa Erfiana Safitri Egi MR. Sudrajat Eka M. Kurniasih Elisa Yulianingsih Elsye Apriliantika Emmy Wahyuningtyas Endah Rita Sulistya Dewi Eny Enawati Eny Hartadiyati Evi Sukawati FARAH SYAHLIZA Fredi Lesmana Haniyya Haniyya Hary S. Pinuji Herda Ariyani herni widyowati Hernowo Widodo Husna Amalya Melati Ida Bagus Banyuro Partha Indira Kinasih Indranila Indranila Irma Rohmawati IS HELIANTI Ismiyyatun Khasanah Jamilah Jamilah Joni Warta Kanthi Arum Widayati Kiki Rizqi Amalia LLINA MULYAWATI Lussana Rossita Dewi Lussana Rossita Dewi M. Ali Sarong M. Khairun Iffat Masriani Masriani Mei Sulistyoningsih Melvia Yundha Cantika Simatupang Metalia Erny MOCHAMAD NURCHOLIS Moh Ali Joko Wasono Muhammad Rizki Ramadhan Muhammad Tawakkal Musri Musman Nahdhah Nela Simanjuntak Nida Anshofia Indriani NIKNIK NURHAYATI Nirmalasari Nirmalasari Norisnaniah Novi I. Fauzi Oktarina Heni Puspitowati Penni Dwi Royani Perdana, Adli Waliul Praptining Rahayu Praptining Rahayu Prasanti Adriya Putro Ferro Ferdinant Rachmat Saputra Rahma Laila Qodriyan Sofiakmi Rahmat Rasmawan Reni Dwi Setyaningsih Revika Rachmaniar Ricky Chandra Kurniawan Rida W. Fadla Rita Febrianti_Lidya Putra Rita Iva Fatmala Rizky Rajuliansyah Lubis Rizwan Rizwan Rody Putra Sartika Saeful Hidayat Sandria Sandi Siti Asmaniyah Mardiyani SITI NURUL HIDAYATI Sofyatuddin Karina Sri Agustina SUCI FARADILLA Sumantri ) Sumantri Sumantri Suparmo . Sutio Sutio Sutopo . Syahruddin Syahruddin Syahrul Purnawan Syarif Hamdani Viqqi Kurnianda Vitri Sari Nur Cahyani W.M. Herry Susilowati Widya Sari Yeni A. Mulyani Yenny Okvita Sari Yesy Palma

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