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All Journal Bulletin of Scientific Contribution : Geology Indonesian Journal of Applied Sciences IJOG : Indonesian Journal on Geoscience Jurnal RISET Geologi dan Pertambangan Journal of Engineering and Technological Sciences Jurnal Teknologi Mineral dan Batubara Journal of Geoscience, Engineering, Environment, and Technology Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources) JLBG (Jurnal Lingkungan dan Bencana Geologi) (Journal of Environment and Geological Hazards) BULLETIN OF THE MARINE GEOLOGY Indonesian Mining Journal Buletin Sumber Daya Geologi JURNAL METEOROLOGI DAN GEOFISIKA Jurnal Geologi Kelautan: Media Hasil Penelitian Geologi Kelautan KURVATEK Indonesian Journal on Geoscience Indonesian Journal on Geoscience Jurnal Locus Penelitian dan Pengabdian Berita Sedimentologi Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources) Jurnal Teknologi Mineral dan Batubara Journal of Geosciences and Applied Geology Jurnal Meteorologi dan Geofisika Indonesian Mining Journal

Ildrem Syafri

Fakultas Teknik Geologi, Universitas Padjadjaran

Author-ID : 398579

Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Materials Science & Nanotechnology Mathematics Physics Social Sciences

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Analisis Kerentanan Gempa pada Jalur Sesar Baribis menggunakan Metode Microearthquake (MEQ) Febyani, Siska; K, Mohammad Fatahillah Pradana; Rivaldy, Mohammad; Syafri, Ildrem; Nur, Andi Agus; Embara, Patra; Nugroho, Sigit Dwi
Bulletin of Scientific Contribution Vol 18, No 1 (2020): Bulletin of Scientific Contribution : GEOLOGY
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Di Jawa Barat, terjadi beberapa gempa tektonik yang berasal karena aktivitas sesar, diantaranya adalah Sesar Cimandiri, Sesar Baribis, Sesar Citanduy dan Sesar Lembang. Salah satu sesar yang diperkirakan aktif adalah Sesar Baribis. Sehubungan dengan hal tersebut telah dipasang 3 seismometer di 3 desa yaitu: Desa Jatigede di Sumedang, Dusun Anggrawati dan Desa Sinar Galih keduanya berada di Kabupaten Majalengka. Tujuan kajian ini adalah mendeteksi adanya gempabumi mikro yang terjadi di jalur Sesar Baribis menggunakan metode Microearthquake (MEQ), sebagai langkah verifikasi secara faktual di lapangan sehingga tingkat aktivitas yang berlangsung pada jalur Sesar Baribis tersebut dapat diketahui. Hasil dari perekaman Microearthquake (MEQ) menunjukkan jumlah kejadian gempa yang terekam selama 60 hari adalah 46 gempa dari skala 0,1 Mw hingga 3,2 Mw. Kedalaman gempa terdangkal adalah 1 km dan yang terdalam adalah 85 km. Sumber gempa dominan adalah pada Zona Sesar Baribis dengan kedalaman gempa kurang dari 50 km. Arah dan rezim gaya yang tercatat dari perhitungan momen tensor memperlihatkan sesar naik dan sesar geser. Berdasarkan kedalaman data perekaman MEQ dan pengamatan permukaan, Zona Sesar Baribis diperkirakan adalah sesar aktif.

KARAKTERISTIK MINERALOGI ENDAPAN PASIR BESI DI DAERAH GALELA UTARA KABUPATEN HALMAHERA UTARA PROVINSI MALUKU UTARA Lamburu, Ahadi Ahmat; Syafri, Ildrem; Yuningsih, Euis Tintin
Bulletin of Scientific Contribution Vol 15, No 2 (2017): Bulletin of Scientific Contribution GEOLOGY
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

ABSTRAKDaerah Galela Utara berada di pulau Halmahera Bagian Utara yang masuk ke dalam Kabupaten Halmahera Utara, provinsi Maluku Utara. Daerah penelitian ini berada pada daerah pantai dataran rendah di wilayah Halmahera Utara yang termasuk dalam Mandala Halmahera Barat. Morfologi dataran rendah yang berada di bagian timur pantai Halmahera membentang dari utara sampai selatan, yang memiliki potensi endapan pasir besi utamanya berada pada endapan aluvium. Mandala geologi Halmahera Barat sangat identik dengan sebaran batuan gunungapi dalam hal ini aktifitas vulkanisme, beberapa gunungapi yang masih aktif hingga sekarang ini. Formasi Bacan merupakan batuan yang terdiri dari breksi dengan komponen terdiri dari andesit dan basal serta batugamping dan lava sangat berkaitan dengan batuan sumber utama pembawa endapan pasir besi. Penelitian dilakukan berdasarkan metode analisis data dengan pendekatan statistik deskripsi univarian yang dinyatakan menggunakan tabel frekuensi dan histogram. Analisis parameter terdiri dari besar butir/ayak dan mineralogi butir. Sebaran endapan pasir besi di daerah penelitian yang diidentifikasi pada jumlah titik bor yang tersebar di bagian utara, blok tengah dan selatan. Penyebaran mineral magnetit sangat bervariasi yang tersebar banyak di bagian utara secara presentase sebesar 28.41%, dan di blok tengah sebaran magnetik sebesar 18.63% sedangkan yang ke arah bagian selatan sebesar 13.03%. Batuan ultramafik yang memiliki kandungan mineral-mineral berat yang kaya akan unsur-unsur Fe (besi/iron) dan Mg (magnesium) untuk kemungkinan berasal dari Formasi Bacan (Tomb) yang terdiri dari breksi dan lava dengan komponen andesitik serta basal dan Batuan Gunungapi Holosen (Qhva) terdiri dari lava dan breksi yang bersusunan andesit sampai basal. Kata Kunci : Magnetit, Mineralogi, Pasir Besi

MANGANESE PROSPECT IDENTIFICATION USING MAGNETIC AND INDUCED POLARIZATION METHODS Taufan, Yoqi Ali; ilmi, irpan; Denis, Mutebi; Nur, Andi Agus; Syafri, Ildrem
Bulletin of Scientific Contribution Vol 16, No 3 (2018): Bulletin of Scientific Contribution GEOLOGY
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Surveys have been carried out using Magnetic and Induced Polarization methods over area dominated by Bobonaro complex formation. This survey was conducted with the purpose to identify a mineral source using data of magnetic, conductivity and resistivity of rock. Data acquisition applied 5 m dipole space with 50 m maximal depth coverage.The interpretation was conducted by analyzing 2D and 3D sections of resistivity inversion, subsurface Induced Polarization, and geomagnetic anomaly. The interpretation result of chargeability anomaly indicates that mineral source occurred as a mineral of manganese with thin layer spreading in complex structural sediment. As is shown from IP anomaly supported by magnetic data obtained, the anomaly has a spread of 3 m to 10 m depth from the surface. The trend of anomaly has a continuity at other locations where is predicted as the manganese mineralization source.

Lingkungan Pengendapan Pada Fasies Batupasir, Formasi Kembelangan Bawah, Lapangan “Gee”, Cekungan Bintuni, Papua Barat Nuarihidayah, Gilang Diesty; Syafri, Ildrem; Mohammad, Febriwan
Bulletin of Scientific Contribution Vol 20, No 2 (2022): Bulletin of Scientific Contribution : GEOLOGY
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/bsc.v20i2.41259

Penelitian dilakukan di Area Lapangan “GEE” pada Cekungan Bintuni, Kepala Burung, Papua Barat. Negara Indonesia memiliki lebih dari 50% energi yang berasal dari migas. Akan tetapi, sumber daya ini tidak dapat diperbaharui dikarenakan tidak ada keseimbangan eksploitasi pada penemuan cadangan migas sedangkan potensi migas di Indonesia masih sangat besar. Sehingga diperlukan metode penunjang dalam eksplorasi migas di Indonesia, salah satu metodenya yaitu mengidentifikasi fasies dan lingkungan pengendapan dalam menentukan distribusi lingkungan pengendapannya. Dalam penelitian ini, digunakan analisis kualitatif yaitu analisis litofasies dengan tahapan akhir asosiasi fasies dan analisis elektrofasies. Hasil analisis litofasies menunjukkan adanya keterdapatan fasies batupasir yaitu Sandstone cross-laminated (Sxl), Sandstone bioturbated (Sb), Sandstone bioturbated argillaceous (Sba), Sandstone bioturbated fossilifereous (Sbf), Sandstone rippled/flaser-laminated (Srx/Sfl), dan Calcareous Sandstone. Sedangkan, hasil analisis elektrofasies menunjukkan tipe bell, funnel dan cylindrical. Hasil integrasi kedua analisis tersebut memperlihatkan daerah penelitian diendapkan pada lingkungan pengendapan laut dangkal yaitu transgressive shelf (yang didalamnya terdapat tidal channel dan shoreface) dan carbonate shelf-margin (yang didalamnya terdapat transgressed shoreline).

LOW RESISTIVITY ZONE PADA RESERVOIR BATUPASIR FORMASI CIBULAKAN ATAS, CEKUNGAN JAWA BARAT UTARA Herdiansyah, Firman; Abdurrokhim, Abdurrokhim; Syafri, Ildrem
Bulletin of Scientific Contribution Vol 14, No 1 (2016): Bulletin of Scientific Contribution
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Wireline geophysical well log (well log) is very important data to interpret formation and formation charecteristics identification in the subsurface. Data well log aims identify reservoir zone, fluid type in the subsurface and to determine of parameters such as clay volume (Vcl), formation porosity, and water saturation (Sw). This research intend to discuss the formation evaluation and hydrocarbon bearing formation. The characteristics and controlling factor of low resistivity zone of sandstone reservoir in this study case become very crucial to be understood. The composition, thickness, and depositional of those sandstone reservoir are interpreted as the major controlling factor for being low resistivity (0.5–5 Ohm) of productive reservoir with total oil production 585.57 stb/m and total gas production 4.78 Mscf/m. Keywords: Low resistivity, formation evaluation, characteristics and controllers of low resistivity sandstone. Well log (wireline geophysical well log) merupakan data yang digunakan untuk mengevaluasi formasi dan mengetahui karaketristik batuan di bawah permukaan (subsurface). Data well log dapat menentukan zona reservoir, tipe fluida yang ada di bawah permukaan, dan determinasi nilai kehadiran lempung (Vcl), porositas formasi, dan saturasi air (Sw). Penelitian ini fokus pada evaluasi formasi baik kualitatif maupun kuantitatif pada zona hidrokarbon dengan harga resistivitas rendah berdasarkan hasil pengukuran deep resistivity log. Karakter dan faktor pengontrol pada zona batupasir yang memiliki fenomena harga resistivitas yang rendah menjadi suatu anomali ketika zona tersebut merupakan zona yang produktif. Komposisi batupasir, ketebalan batupasir, dan lingkungan pengendapan batupasir dengan resistivitas yang rendah (0.5–5 Ohm) memiliki perbedaan karakteristik dengan batupasir yang memiliki harga resistivitas yang normal (> 5 Ohm). Harga estimasi saturasi air yang tinggi (75%–80%) dan harga deep resistivity yang rendah (0.5–5 Ohm) pada zona produktif dengan total produksi minyak 585.57 stb/m dan gas 4.78 Mscf/m. Kata Kunci : Resistivitas rendah, evaluasi formasi, karakteristik dan pengontrol batupasir resistivitas rendah.

KARAKTERISTIK BATUAN METAMORF BAYAH di DESA CIGABER, KABUPATEN LEBAK, PROVINSI BANTEN Patonah, Aton; Syafri, Ildrem
Bulletin of Scientific Contribution Vol 12, No 2 (2014): Bulletin of Scientific Contribution
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Metamorphic rocks in Bayah Complex included by Bayah mountain zone. Purpose of this research is to know characteristic of this rock with using petrography methods, that is, identify texture, structure, mineral contain, and metamorphic facies of the rocks. The result showed that kind of the rock is dominated by biotite schist, some actinolite schist, hornblend schist and chlorite schist. Almost all them have retrograde metamorphism, is characterized by biotite altered to chlorite and muscovite, hornblende to actinolite, and actinolite to chlorite. This proses probably associated by uplift processes in Eocene – Oligocene.

EKLOGIT TERUBAH DAN BATUAN ASOSIASINYA SEBAGAI INDIKATOR SUBDUKSI PURBA SELAMA EOSEN ATAS HINGGA OLIGOSEN BAWAH DI SABUK METAMORFIK SULAWESI TENGAH BAGIAN TIMUR - INDONESIA Syafri, Ildrem
Bulletin of Scientific Contribution Vol 12, No 3 (2014): Bulletin of Scientific Contribution
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Eclogite is a metamorphic of rock derived from the continental crust or oceanic crust that can provide important information about the early stages of the orogenic process. In the Sulawesi island, eclogite or eclogite facies known expose in several places (Tectonic Complex of Bantimala, Palu valley and Bongka River Valley). In addition to these locations, eclogite have been also decouvert in the melange complex of Wasuponda. Wasuponda Eclogites shows a different textural and mineralogical composition than Bantimala eclogite or eclogite facies of Palu valley on the response of different processes occured. These rocks formed in a different geological times which provides information about two ancient subduction zones in the western and eastern parts of Central Sulawesi metamorphic belt.This study aims to obtain meaningful information about the chronology of the Sulawesi island in the Cretaceous and post Cretacepous periods. Some selected examples of eclogite and its associated rocks have been observed in petrographic and rock forming minerals of these rocks have been analyzed chemically using Microprobe Camebax and SX 50. The results of chemical analysis allows us to classify minerals appropriately used in the pressure and temperature condition of the rock formation. The maximum pressure and temperature conditions obtained from the application of geotermobarometer is 21.6 kbar for a temperature in 580 °C, while the application Thermocalc program provides pressure with an average of 20.7 ± 2.6 kbar at temperature in 500 ± 29 ° C. The pressure and temperature are very similar to the P-T conditions of eclogite formation of complex tectonic of Bantimala. Taking into account the uncertainty of the values for pressure, then the pressure obtained indicate that the eclogite formation was in depth of 61 to 80 km.Altered eclogite from Wasuponda undergone retromorphose towards the amphibolite - and green schist facies, while in stability field of amphibolite facies, these rocks are associated with garnet quartz, rutile, phengit, epidote schist and garnet, hornblende, quartz, rutile, muscovite, epidote schist and they have emerged to the surface and presented as a component melange of Wasuponda. Pressure and temperature conditions obtained from the study indicates that the direction of the P-T path of Wasuponda eclogite is clockwise. This condition is contrary to the results obtained by Parkinson (1991) of the blue schist and rock associations derived from Melange Peleru.Eclogite from Wasuponda Melange Complex likely originated from the ancient oceanic crust and are classically referred to layer 3 which is expected a gabbroic by composition. Magmatic paragenesis on this rock observed under the microscope are: clinopyroxene, plagioclase and opaque minerals, while eclogitic paragenesis are garnet, omphasite, phengite and rutile. Mineral paragenesis indicating retromorphose stage are calco-sodic amphibole, sphene and plagioclase, and they are present in the matrix.When a rock undergones a retrograde stage (toward the surface), the eclogite experienced an oceanic metamorphism indicated by the presence of edenite, edenitic hornblende, also hematite, quartz and chlorite showing the amphibolitation process, while minerals like zoisite, albite, white mica, calcite and zeolite states sausuritisation process that occured at high temperature and low pressure.

KANDUNGAN MIKROFOSIL DALAM FORMASI PEMBAWA BATUBARA DARI DAERAH PERIAN KECAMATAN MUARA MUNTAI, KABUPATEN KUTAI KERTANEGARA, KALIMANTAN TIMUR -, Winantris; -, Ildrem Syafri; -, Rusman Rinawan
Bulletin of Scientific Contribution Vol 4, No 1 (2006): Bulletin of Scientific Contribution
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

The research uses two kinds of microfossils for an aim to produce more precision, which Palinomorph as a main object and foraminifera as the support object. Pollen analysis has the main role in paleo-environment reconstruction, based on ecological characteristics plants association. Using palinomorph and foraminifera together in one research can only be conducted through sediments transition. Coals are included in the category, where coal samples were taken from Sungai Perian near Pulaubalang-Pamaluan formation boundary.From four samples that were analyzed (1R / claystone, 3R / claystone, 5R / claystone carbonaceous, and 7R / claystone) 53 genera and only 5 foraminifera species was founded. Both microfossils have yielded the same interpretation. The relative ages of the pollen indicator are from Middle-Early Miocene, and the relative ages of the foraminifera are from Late-Early Miocene. Based on the palinomorph and foraminifera data the research area was on regressions environment during the geologic period mentioned.

HUBUNGAN ANTARA PHYLLIC ALTERATION DENGAN NILAI KEKUATAN BATUAN DI UNDERCUT LEVEL TAMBANG GRASBERG BLOCK CAVE (GBC) PT. FREEPORT INDONESIA Zakaria, Firman; Zakaria, Zulfialdi; Syafri, Ildrem; Wiguna, Purwa
Bulletin of Scientific Contribution Vol 15, No 3 (2017): Bulletin of Scientific Contribution:GEOLOGY
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

ABSTRACTThe Grasberg Block Cave (GBC) underground mine consists of multiple intrusion stages become into the Grasberg Intrusion Complex (GIC). The intrusion is consists of three intrusion stages, Dalam Intrusion Complex (DIC), Main Grasberg Intrusion (MGI) and Kali Intrusion (KI). The emplacement of intrusions occurred in a relatively short span between 3.51Ma (Dalam stage), 3.21Ma (Main Grasberg stage) and 3.1Ma (Kali stage). The existence of magmatic activity that occurs is the main control of mineral formation changes that affect the condition of rocks and quality of Cu-Au. Different type of alteration and mineralization on GIC rock can change its physical properties. Variations of mineral alterations that are formed due to the variation of intrusion causes the variation of mineral alteration that affect the value of rock strength. The value of rock strength affects the determination of rock support that will be mined in the Grasberg Block Cave underground mine (GBC). XRD analysis with mineral content dominance quartz 30.07%, sericite 22.72%, k-feldspar 13.38%, fe sulphide 9.80% and CaSulfate 5.72%. XRD analysis results are type of phyllic alteration. Point load analysis in the research area of 347 pieces of rock drill hole found rock strength value is dominated by weak (0.2 – 1 Mpa) - medium (1 – 2 Mpa). Rock Mass Rating (RMR) analysis calculation result value is RMR 20 - 60 (poor - fair). Keywords: Grasberg Block Cave, phyllic alteration, XRD Analysis, Point Load Test analysis, ABSTRAKTambang bawah tanah Grasberg Block Cave (GBC) terdiri dari beberapa tahapan intrusi yang tergabung ke dalam jenis Komplek Batuan Beku Grasberg (GIC). Tahapan intrusi dari tua ke muda adalah Dalam Intrusion Complex (DIC), Main Grasberg Intrusion (MGI) dan Kali Intrusion (KI). Adanya aktifitas magmatik yang terjadi merupakan kontrol utama pembentukan mineral ubahan yang berpengaruh terhadap kondisi batuan. Variasi mineral ubahan yang terbentuk akibat dari adanya variasi intrusi menyebabkan adanya variasi mineral ubahan yang berpengaruh terhadap Tambang bawah tanah Grasberg Block Cave (GBC) terdiri dari beberapa tahapan intrusi yang tergabung ke dalam jenis Komplek Batuan Beku Grasberg (GIC). Tahapan intrusi dari tua ke muda adalah Dalam Intrusion Complex (DIC), Main Grasberg Intrusion (MGI) dan Kali Intrusion (KI). Adanya aktifitas magmatik yang terjadi merupakan kontrol utama pembentukan mineral ubahan yang berpengaruh terhadap kondisi batuan dan kualitas cebakan Cu-Au. Variasi mineral ubahan yang terbentuk akibat dari adanya variasi intrusi menyebabkan adanya variasi mineral ubahan yang berpengaruh terhadap nilai mekanika batuan. Analisa XRD dengan dominasi kandungan mineral quartz 30.07%, sericite 22.72%, k-feldspar 13.38%, fe sulphide 9.80% dan casulfate 5.72%. Hasil analisis XRD tersebut masuk ke dalam tipe phyllic alteration. Analisis uji kuat tekan batuan (Point Load Test) pada daerah penelitian terhadap 347 buah conto batuan lubang pemboran memberikan nilai kekuatan batuan didominasi oleh nilai kekuatan batuan lemah (weak, 0.2 – 1 Mpa) - sedang (medium, 1 – 2 Mpa). Kata kunci: Grasberg Block Cave, phyllic alteration, XRD Analysis, Point Load Test.

KARAKTERISTIK BATUAN SEDIMEN BERDASARKAN ANALISIS PETROGRAFI PADA FORMASI KALIBENG ANGGOTA BANYAK Purasongka, Novianti Wahyuni; Syafri, Ildrem; Jurnaliah, Lia
Bulletin of Scientific Contribution Vol 13, No 1 (2015): Bulletin of Scientific Contribution
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Administratively, the research areas included in the district of Semarang, Central Java Province. This research was conducted at Jeragung River with the object of claystone and sandstone. In physiographic, rocks in the study area are in Kendeng Basin, and parts of Anggota Banyak Kalibeng Formation. This study aims to determine the characteristics of sedimentary rocks mainly sandstones, based on petrographic analysis to determine the source of the sediment and diagenesis processes that formed. Based on observations of six sandstone samples from areas of research included in Feldspatic Wacke. Provenance analysis of six samples of sandstone with using Dickinson and Suczek triangles, shows the origin of sediment is arc magmatic. Diagenesis phase which occurs is eogenesis characterized by compacting and leaching, mesogenesis marked by cementation and recrystallization, as well as the replacement and deformation marks telogenesis process.

Co-Authors A. Sudradjat A. Sudradjat A. Sudradjat Abdurrokhim Almabrury Abdurrokhim ⠀ Abdurrokhim, . Achmad Noerkhaerin Putra Adi Hardiyono Adjat Sudradjat Adjat Sudradjat Adjat Sudradjat Adjat Sudradjat Adjat Sudradjat Adjat Sudradjat Adjat Sudrajat Adjat Sudrajat Adriano Mazzini Agus Didit Haryanto Agus Didit Haryanto -, Agus Didit Haryanto Agus Nur, Andi Agustiany, Irfani Agustina Djafar Agustinus, Eko Tri Sumarnadi Agustya Agustya Ahadi Ahmat Lamburu Ahmad Luthfi Aini, Hana Nur Ajat Sudrajat Almun Madi Amitama, Emilia Bunga Andi Agus Nur Andi Agus Nur, Andi Agus Antonius Bambang Yuniarto -, Antonius Bambang Yuniarto Aprillia, Belinda Rizka Ardiansyah, Reza Arief Prabowo Asep Mohamad Ishaq Shiddiq Aton Patonah Awaludin, Winarno Benyamin Benyamin Benyamin Benyamin, Benyamin Benyamin, Benyamin Billy G. Adhiperdana Bonar Tua Halomoan Marbun Brian Christiantoro Budhy Agung Budi Muljana Budiadi, E. Christiantoro, Brian Deni Wahyuadi Denis, Mutebi Deny Setiady Dicky Muslim Djadjang Jedi Setiadi Djajang Sukarna Dwandari Ralanarko Dwandari Ralanarko E. T. Paripurno E. T. Paripurno Edy Sunardi Eko Tri Sumarnadi Agustinus Eko Tri Sumarnadi Agustinus Electricia, K.S. Elfitra, Dhanu Embara, Patra Emi Sukiyah Emy Sukiyah Euis Tintin Yuningsih Euis Y. Yuningsih, Euis Y. Evaristus Budiadi F. G, Aiwoy Fachrudin, Kurnia Arfiansyah Fadhly, Ahmad Febri Hirnawan Febriwan Mohamad Febriwan Mohammad, Febriwan Febyani, Siska Firman Herdiansyah, Firman G. Hartono G. Hartono Ginanjar, Asep Hadian, Muhamad Sapari Dwi Hadian, Muhamad Sapari Dwi Hana Morina, Hana Hananto kurnio Hananto Kurnio Hartawi Riskha Hartawi Riskha, Hartawi Hartono, G. Hartono, Udi Haryadi Permana Hastowo Resesiyanto Hendarmawan Hendarmawan Heri Hermiyanto Zajuli Heri Hermiyanto Zajuli, Heri Hermiyanto Hermes Panggabean Hermes Panggabean Hermes Panggabean Herry -, Herry Hilarius Rodriguez Hilarius Rodriguez, Hilarius Hill Gendoet Hartono Hutabarat, Johannes ilmi, irpan Iqbal Ramadhan, M. Iqbal, M. Irfani Agustiany Irzon, Ronaldo Irzon, Ronaldo Iskandar Zulkarnain Ismawan Ismawan Ismawan Ismawan, Ismawan Iwan Setiawan Januar Arifin Johanes Hutabarat Johanes Hutabarat Johannes Hutabarat K, Mohammad Fatahillah Pradana Kapid, Roebiyanto Karyono Karyono Kuntadi Nugrahanto Kurnia Arfiansyah Kurnia Arfiansyah, Kurnia kurnio, Hananto kurnio, Hananto Lia Jurnaliah Lili Fauzielly M. Iqbal M. Iqbal Manwarjit, Manwarjit Marbun, Bonar Tua Halomoan Masturyono Masturyono Mayasari, Verna Mega F. Rosana, Mega F. Mega Fatimah Rosana Mega Fatimah Rosana Moeh. Ali Jambak Moeh. Ali Jambak, Moeh. Ali Moh. Heri Hermiyanto Zajuli Moh. Heri Hermiyanto Zajuli Muhamad Sapari Dwi Hadian Muhammad Kurniawan Alfadli Muhammad Zulfikar Muhammad Zulfikar Nana Sulaksana Nana Suwarna Nana Suwarna Nana Suwarna Nanda Natasia Nazar Nurdin Noor Cahyo Dwi Aryanto Noor Cahyo Dwi Aryanto Novianti Wahyuni Purasongka, Novianti Wahyuni Nuarihidayah, Gilang Diesty Nugroho, Sigit Dwi Nuraini , Siti Paripurno, E. T. Petra Wattimury Prabowo, Arief Pranowo Nugroho Pranowo Nugroho Prasetio, Rasi Prasetio, Rasi Prasetya, Muhammad Nurul Huda Purnama Sendjaja Purnama Sendjaja Puspita, Ramelia Eka Rahmola, Wiryadi Rizkiputra Ralanarko, Dwandari Ramzis, Novaldo Rasi Prasetio Resesiyanto, Hastowo Reza Ardiansyah Reza Ardiansyah Ridho Kresna Wattimena Ridho Kresna Wattimena Rivaldy, Mohammad Rodriguez, Hilarius Roebyanto Kapid Ronaldo Irzon Ronaldo Irzon Ronaldo Irzon Rusman Rinawan -, Rusman Rinawan Satrio Satrio Satrio, Satrio Satrio, Satrio Sendjaja, Purnama Sendjaja, Purnama Sendjaja, Purnama Shaska Zulivandama Shiddiq, Asep Mohamad Ishaq Siti Nuraini Soffian Hadi Stefanus Suryo Cahyono SUBAGJA, MUHAMAD AGAM Suci Sarah Andriany, Suci Sarah Sudarsana, Muhammad Rizki Sudradjat , Adjat Sudradjat, A. Sudradjat, A. Sudradjat, Adjat Sudradjat, Adjat Sudrajat, Adjat Sugianto, Asep Supriyanto Rohadi Suwarna, Nana Swasty Aninda Piranti Syaiful Alam Syaiful Bachri Tampubolon, Armin Taufan, Yoqi Ali Udaya Kamiludin Udi Hartono Udi Hartono Vijaya Isnaniawardhani Viqnoriva, S.N. Wahyu Sugiarto Wattimury, Petra Wiguna, Purwa Wilda Aini Nurlathifah Winantris Winantris Winarti Winarti Wrahaspati Rulandoko Yan Rizal, Yan Yoga Andriana Sendjaja Yogi Fernando, Yogi Yudi Darlan Yusriyah, Dzakiyah Zakaria, Firman Zarkasyi, Ahmad ZULFAHMI ZULFAHMI Zulfialdi Zakaria, Zulfialdi Zulkarnain, Iskandar ⠀, Abdurrokhim ⠀, Winantris

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