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All Journal Indonesian Journal of Geography Bulletin of Scientific Contribution : Geology Jurnal Ilmiah Aplikasi Isotop Radiasi Jurnal Kawistara : Jurnal Ilmiah Sosial dan Humaniora IJOG : Indonesian Journal on Geoscience Jurnal RISET Geologi dan Pertambangan Journal of Degraded and Mining Lands Management Jurnal Teknik Sipil Jurnal Ilmiah Dinamika Rekayasa (DINAREK) 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) Indonesian Mining Journal Indonesian Journal of Chemistry Buletin Sumber Daya Geologi Jambura Geoscience Review JURNAL TEKNIK HIDRAULIK Indonesian Journal on Geoscience Indonesian Journal on Geoscience Sawala : Jurnal pengabdian Masyarakat Pembangunan Sosial, Desa dan Masyarakat Pusaka : Journal of Tourism, Hospitality, Travel and Business Event Jurnal Geominerba Journal of Tourism Education Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources) Indonesian Mining Journal Jurnal Kawistara

Hendarmawan Hendarmawan

Fakultas Teknik Geologi, Universitas Padjadjaran

Author-ID : 531600

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Physics Social Sciences Other

Published : 47 Documents Claim Missing Document

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Analisis Fenomena Kehilangan Air Sungai Cisuwarna Petrus Syariman; Hendarmawan Hendarmawan
JURNAL TEKNIK HIDRAULIK Vol 1, No 1 (2010): Jurnal Teknik Hidraulik
Publisher : Pusat Litbang Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Discharge from Cisuwarna River isone of the main inflows to Rawa Danau highly expected by local peopleeither upstream or downstream.Part of water loss of Cisuwarna caused not optimum domestic water use.Water loss indication can be seen from the simulation results by using SSARR model that calculateddischarge greater than observed.The methods used for water loss analysis are simultaneous dischargemeasurement, rainfall runoffand coefficient correlation analysis, and geological map interpretation.Theanalysis result has proven that the average water loss at Cisuwarna is about 12 .4 million cumec per year orabout 45% of calculated discharge.Water loss is assumedto flow into the fault before flowing into rawaDanau.Waterdeficitisalwaysgoingthrough everyyearinRawaDanau.

Karakteristik Air Tanah Dangkal Kota Semarang Pada Musim Penghujan Berdasarkan Pendekatan Isotop Stabil (18O, 2H) dan Kimia Air Satrio Satrio; Hendarmawan Hendarmawan; M. Sapari Dwi Hadian; E. Ristin Pujiindiyati
Jurnal Ilmiah Aplikasi Isotop dan Radiasi Vol 11, No 1 (2015): Juni 2015
Publisher : BATAN

Pada bulan Maret 2014 telah dilakukan penelitian air tanah di wilayah Kota Semarang dengan tujuan untuk mengetahui karakteristik air tanah dangkal pada saat musim penghujan melalui pendekatan isotop stabil (18O, 2H) dan kimia air yang didukung dengan data hidrogeologi setempat. Sejumlah sampel air tanah dangkal diambil di beberapa lokasi dengan kedalaman antara 0 — 35 m di bawah permukaan tanah setempat (dbpts). Analisis isotop stabil 18O dan 2H serta kimia air dilakukan di laboratorium Hidrologi, Pusat Aplikasi Isotop dan Radiasi, BATAN Jakarta. Hasil analisis isotop stabil 18O dan 2H menunjukkan bahwa sekitar 63 % air tanah cenderung berada di dekat garis meteorik Semarang dan sekitar 37 % sisanya mengalami evaporasi, interaksi dengan oksida batuan dan sedikit pengaruh interaksi atau mixing dengan air laut. Dari hasil analisis kimia air dengan ionic balancesekitar 3 % menunjukkan bahwa pada saat musim penghujan akuifer air tanah dangkal di wilayah Kota Semarang didominasi oleh ion bikarbonat (HCO3-) dengan tipe air didominasi CaHCO3. Sedangkan dari data parameter Chloride Bicarbonate Ratio, sekitar 24 % air tanah dangkal di wilayah Kota Semarang terindikasi mengalami intrusi air laut dansisanya sekitar 76 % masih menunjukkan karakteristik sebagai air tanah tawar.Kata kunci : karakteristik air tanah, air tanah dangkal, Semarang, musim penghujan, isotopstabil dan kimia air

Kualitas Air pada Puncak Musim Kemarau di Daerah Rawa Danau Kabupaten Serang Priyo Hartanto; Robert M Delinom; Hendarmawan Hendarmawan
JURNAL RISET GEOLOGI DAN PERTAMBANGAN Vol 29, No 1 (2019)
Publisher : Indonesian Institute of Sciences

Rawa Danau Serang merupakan rawa pegunungan yang menjadi andalan pemasok air di kawasan industri Cilegon dan sekitarnya. Selain air hujan, pasokan air ke Rawa Danau juga berasal dari mataair gunungapi di sekitarnya. Sumber air yang ada terdiri dari mataair, mataair panas, sumur gali, sumur bor dan sungai. Percampuran beragam sumber air tersebut dapat mempengaruhi kualitas air Rawa Danau, sehingga penelitian kondisi fisika dan kimia air menjadi penting untuk dilakukan. Pengukuran dilakukan pada kondisi puncak musim kemarau untuk menganalisis skenario terburuk dari curah hujan minimal dan kualitas air belum banyak dipengaruhi air hujan. Pada puncak musim kemarau, air di daerah penelitian cenderung bersifat asam dengan pH air berkisar 5,7-7,65. Hasil pengukuran dan analisis kimia air menggunakan AAS dan turbidimeter secara keseluruhan air masih memenuhi syarat untuk digunakan sesuai dengan peruntukannya. Analisis hidrogeokimia menggunakan diagram Piper menunjukkan bahwa tipe air Ca+Mg-HCO3. Rawa Danau Serang, which is a wetland in the mountain area, is the primary source of water for Cilegon and surrounding areas. Besides the precipitation, the main source of water in Rawa Danau is the mountain springs. The other water sources include springs, hot springs, dug wells, boreholes, and rivers. The mixture of those various sources of water might affect the quality of water. Therefore, a study on the chemical and physical properties of the water is essential. We measured the water condition in the dry season to analyze the worst-case scenario of minimal rain. At the peak of dry season, water in the study area was acidic with pH ranging from 5.7 to 7.65. The results of chemical analysis of water using AAS and turbidimeter have indicated that, as a whole, the water from Rawa Danau was still meet the requirements for domestic use. Hydro-geochemical analysis using the Piper diagram has indicated that the type water is Ca + Mg- HCO3.

SALINITAS AIRTANAH AKIFER TERTEKAN KEDALAMAN 0 – 20 M DAERAH KALIDERES – CENGKARENG, JAKARTA BARAT Abdurrachman Asseggaf; Hendarmawan Hendarmawan; Lambok M. Hutasoit; Johannes Hutabarat
JURNAL RISET GEOLOGI DAN PERTAMBANGAN Vol 27, No 1 (2017)
Publisher : Indonesian Institute of Sciences

The presence of salt water in the West Jakarta is still disputed by the groundwater experts. This research is aimed to clarify the cause of saline groundwater in the confined aquifer at the depth of 0 – 40 m by litostratigraphic correlation of Kalideres-Cengkareng section. Observation of the groundwater physical properties was carried out for 8 wells, consisting of 3 dug wells and 5 bored wells. The groundwater salinity classification was derived based on the total suspended solids and chloride content. Those data were compared to the groundwater flow pattern, aquifer system, groundwater facies and stable isotope 2H and 18O. Research results showed that the salinity is determined by the aquifer rock type and the change of groundwater facies to the flow pattern. Salinity is higher at the north east due to mixing of fossil water (connate water) or leaching of the rock salt. Stable isotope results also indicate that all samples have groundwater characteristics and none of seawater characters was present. AbstrakHingga saat ini keberadaan air asin di wilayah Jakarta Barat masih diperdebatkan oleh para ahli airtanah. Tujuan penelitian ini adalah untuk menjelaskan penyebab tingginya nilai salinitas airtanah pada akifer tertekan kedalaman 0 – 40 m dengan cara mengkorelasi aliran airtanah, sistem akifer, fasies ion airtanah, dan isotop stabil di daerah Kalideres – Cengkareng. Pengamatan sifat fisik airtanah dilakukan pada 8 titik sumur yang terdiri dari 3 sumur gali, dan 5 sumur pantek. Data sifat fisik airtanah diintepretasikan dengan mengacu pada klasifikasi salinitas berdasarkan nilai jumlah padatan terlarut dan kadar Khlorida. Data tersebut dibandingkan dengan pola aliran airtanah, sistem akifer, fasies airtanah dan isotop stabil 2H dan 18O. Hasil penelitian memperlihatkan bahwa kadar salinitas ditentukan oleh jenis batuan akifer dan perubahan fasies airtanah terhadap pola aliran. Perubahan nilai salinitas yang semakin tinggi ke arah Timur laut disebabkan oleh adanya pencampuran dengan air fosil atau proses pencucian garam batuan. Hal inipun didukung oleh data isotop stabil yang menunjukkan bahwa seluruh sampel masih mencerminkan karakteristik air meteorik dan tidak mencirikan air laut.

Pendugaan Akifer Airtanah dengan Metode Geolistrik Konfigurasi Schlumberger di Lereng Utara Gunungapi Tangkubanparahu Yuyun Yuniardi; Hendarmawan Hendarmawan; Abdurrokhim Abdurrokhim; Vijaya Isnaniawardhani; Febriwan Mohammad; Muhammad Kurniawan Alfadli; Panji Ridwan
JURNAL RISET GEOLOGI DAN PERTAMBANGAN Vol 29, No 2 (2019)
Publisher : Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/risetgeotam2019.v29.1051

Airtanah sangat diperlukan dan meningkatnya jumlah penduduk akan menyebabkan pengurangan cadangan airtanah yang tersedia. Gunung Tangkubanparahu merupakan daerah endapan vulkanik yang memiliki potensi sistem akuifer airtanah yang baik. Tujuan penelitian ini adalah untuk mengetahui potensi airtanah dari sistem akuifer vulkanik berdasarkan pengamatan geologi dan pengukuran geolistrik 1D sebanyak 100 titik. Hasil penelitian menunjukkan empat kelompok nilai resistivitas yang merepresentasikan kondisi geologi bawah permukaan. Kelompok pertama mempunyai nilai 0-100 ohm.m, berupa kelompok batuan piroklastik yang tercampur tanah. Kelompok kedua mempunyai nilai resitivitas 101-250 ohm.m, berupa kelompok batuan perselingan antara pasir tufan dan tuf kasar. Kelompok ketiga mempunyai nilai 251-600 ohm.m, berupa kelompok batuan breksi. Kelompok keempat mempunyai nilai resistivitas >600 ohm.m, berupa kelompok batuan aliran lava. Sistem airtanah yang dapat diasumsikan sebagai akifer tersebar merata pada kedalaman 50 m, 75 m, dan 100 m berupa kelompok batuan tuf.Groundwater is the primary source of water and the increase in population will cause an decrease in groundwater reserves. Mt.Tangkubanparahu is a volcanic deposition area that has high potential groundwater aquifer systems. The purpose of this study was to determine the groundwater potential of the volcanic aquifer system based on geology mapping and 1D geoelectric measurements at 100 stations. The results indicated four groups of resistivity values, which represent subsurface geological conditions. The first group has a resistivity value of 0-100 ohms.m in the form of pyroclastic rocks. The second group has a resistivity value of 101-250 ohms.m in the form sand tuff and coarse tuff. The third group has a value of 251-600 ohm.m in the form of breccia rocks. And the fourth group has resistivity values> 600 ohms in the form of lava flow rock groups. In the groundwater system, the layer that can be assumed as aquifer is evenly distributed at depths of 50 m, 75 m, and 100 m in the form of tuff groups.

Implication of Catchment Morphometric on Small River Discharge of Upper Citarik River, West Java Edi Tri Haryanto; Emi Sukiyah; Pradnya Paramarta Raditya Rendra; Hendarmawan Hendarmawan; Suratman Suratman
Indonesian Journal of Geography Vol 51, No 2 (2019): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Upper Citarik River is the Inter Mountainous Valley of Volcanic Denudational Landform in the eastern part of Bandung basin, West-Java. The research area compounds of several degraded small catchments with very low water flow in dry season. This research aims to understand the implications of morphometric characteristics (Slope, Cr, Dd, Hi) on average river flow discharge of small sub-catchments of Upper Citarik River. Discharge data collected based on measurements, while catchments morphometric identified and analyzed based on topographic map using GIS techniques. Correlation graphs were used to understand the relationship among the morphometric parameter and the average river flow discharges. The result were as follow the steeper the slope, the more elongated the shape of catchment, the more distant was the river density, meaning the more younger the erosion cycle of the landform. The younger the erosion cycle of the landform, the smaller was the average river discharge per areal unit of catchments.

Geochemical Evolution and Groundwater Flow System in Batujajar Groundwater Basin Area, West Java, Indonesia Rudy Suhendar; M. Sapari Dwi Hadian; Budi Muljana; Taat Setiawan; Hendarmawan Hendarmawan
Indonesian Journal on Geoscience Vol 7, No 1 (2020)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17014/ijog.7.1.87-104

DOI:10.17014/ijog.7.1.87-104Batujajar and its surrounding areas, situated in the west of the Bandung Basin, are geologically composed of various Tertiary rock formations with complex fold and fault systems. Springs and drilled wells in sandstone aquifers, tuffaceous sand, and tuffaceous breccias mark the development of their aquifer systems. This study aimed to determine the characteristics of the hydrogeochemistry by analyzing major ions and stable isotopes (18O and 2H) of thirty-four hydrogeological objects. The groundwater flow pattern in this area is controlled by northwest-southeast lineament, as indicated by the emergence of springs along the transition zone between areas with high and low lineament density. In order of dominance, the groundwater facies are as follows:Ca-Mg-HCO3>Ca-HCO3>Ca-Na-Mg-HCO3>Na-Ca-HCO3. Hydrochemical evolutions were detected from the change of cations from Ca2+ to Mg2+ and then Na+, and this is believed to be the product of cation exchange and dissolution of silicate minerals. However, evolutions toward anion changes were not apparent yet, meaning that HCO3- ions still prevail, or in other words the groundwater flow system is local. Nevertheless, the geological and hydrogeochemical analyses, along with the relative compositions of stable isotopes, revealed that the groundwater had three systems, namely shallow, intermediate, and deep groundwater flows; all of which were segmented in three subgroundwater basins (Sub-GWB). Aquifer systems with shallow to intermediate groundwater flow were found in Sub-GWB-A, Sub-GWB-B, and Sub-GWB-C, while the other ones with deep groundwater flow system were identified in Sub-GWB-B and Sub-GWB-C.Fracture system has an important role as a connector between recharge system in hilly areas and discharge system in plain areas.

Kontrol Geologi Terhadap Perubahan Kimia Airtanah Pada Sistem Akuifer Vulkanik Di Lereng Timur Gunung Ciremai Jawa Barat Jumhari Jumhari; M Sapari Dwi Hadian; Zufialdi Zakaria; Hendarmawan Hendarmawan
Dinamika Rekayasa Vol 15, No 2 (2019): Jurnal Ilmiah Dinamika Rekayasa - Agustus 2019
Publisher : Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.dr.2019.15.2.267

Gunung Ciremai adalah gunung berapi Strato dengan tingkat curah hujan yang tinggi di bagian barat pulau Jawa. Hal ini menjadikan Gunung Ciremai sebagai sumber air tanah di daerah sekitarnya sehingga membutuhkan keseimbangan antara pengisian dan pembuangan untuk keberlanjutan air tanah. Tujuan dari penelitian ini adalah mnentukan kontrol geologis terhadap perubahan kimia dalam air tanah sebagai dasar untuk menentukan langkahlangkah keberlanjutan air tanah. Adapun metode yang dilakukan adalah pemetaan geologi, pangamatan mata air, pengujian laboratorium dan menganalisis dengan diagram pipper, diagram durov dan diagram Gibbs. Hasilnya menunjukan terdapat 4 zona perubahan kimia airtanah yang dikontrol geologi diantaranya Zone 1 memiliki nilai EC dan TDS yang rendah dengan fasies kimia air tanah Ca-HCO3. Zone 2 memiliki nilai EC dan TDS yang rendah dengan fasies kimia air tanah Ca-Na + K - HCO3-Cl. Zona 3 memiliki nilai EC dan TDS yang tinggi dengan sumber ion Ca dan Mg yang seimbang. Zone 4 memiliki nilai EC dan TDS yang sangat tinggi dengan fasies kimia air tanah Na + K Cl.Perubahan kimia air tanah daerah penelitian dipengaruhi mengontrol perubahan kimia air tanah adalah jenis litologi dan morfologi, sedangkan pada daerah tenggara dan selatan proses yang paling dominan mengontrol adalah struktur geologi. Proses lain yang berpengaruh di daerah penelitian adalah aktivitas panas bumi dan interaksi air dengan batuan sedimen tua.

WASHING TEST OF KENDILO COAL USING A SINK-FLOAT METHOD TO IMPROVE ITS QUALITY Wanda Adinugraha; Nana Sulaksana; Hendarmawan Hendarmawan; Binarko Santoso; Datin Fatia Umar; Fitri Amalia
Indonesian Mining Journal Vol 21, No 1 (2018): INDONESIAN MINING JOURNAL, Vol. 21 No. 1, April 2018
Publisher : Puslitbang tekMIRA

Kendilo coal is known as a high-ash content type. Beneficiating such the coal for gasification process needs to wash the coal first. The purpose of washing is to lower the ash content until the permitted amount of about 10%. Samples for coal washing were obtained from PT. Kendilo Coal Indonesia at Pasir Belengkong, Paser Regency, East Kalimantan. The samples were taken at Bindu and Betitit Block, which containing ash of about 20%–30%. To wash the coal samples, a sink-float method was applied to test its separation characteristic. The washing process employed three sizes fraction, i.e, -12.5+5.6, -5.6+1.18, and -1.18 mm and the separation density was varied between 1.3 to 1.6 g/cc within the interval of 0.1. The liquid solutions as the separation media were made from mixing of perchloroethylene and toluene. From the coal washability curve, the best coal washing in order containing ash content of about 8% in the case of Bindu Block's coal, occurs at the fraction of -12.5+5.6 mm, at density separator of 1.36 g/cc with the recovery of 50%. While the coal of Betitit's Block, the washed coal was 50.82% at similar fraction but at different density separator of 1.39 g/cc.

Isotope and Geochemistry Characterization of Hot Springs and Cold Springs of Sembalun – Rinjani Area, East Lombok, West Nusa Tenggara – Indonesia Satrio Satrio; Rasi Prasetio; Boy Yoseph Cahya Sunan Sakti Syah Alam; Teuku Yan Waliyana Muda Iskandarsyah; Faizal Muhammadsyah; Mohamad Sapari Dwi Hadian; Hendarmawan Hendarmawan
Indonesian Journal of Chemistry Vol 20, No 6 (2020)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.50790

The presence of several hot springs in Sembalun – Rinjani, East Lombok, West Nusa Tenggara is an indicator of geothermal potential in the area. This study aims to determine the characteristics of hot springs and cold springs and also the geothermal potential in Sembalun – Rinjani area using isotopes and geochemistry methods. The result of d18O and d2H stable isotopes analysis shows that most of the hot springs are meteoric water. Except for Kalak hot spring, other hot springs are a mixing product of meteoric water and andesitic water, with meteoric water composition between 64 to 87%. While 14C radioisotope suggests that the age of hot springs in the Sembalun area is about 10,000–12,000 years BP, the surrounding cold springs are mostly Modern except Jorong cold spring. The results of gas analysis (He, Ar, and Ne) also suggest the same origin of geothermal fluid, i.e., meteoric water origin. Based on chemical composition, Kalak hot spring is plotted as sulfate type water, while Sebau hot spring is plotted near mature water composition but not representing reservoir fluid due to its relatively low temperature and high Mg content. Na/K geothermometer calculation from Sembalun area shows that subsurface temperature is varied between 111-161 °C, while from Rinjani hot springs indicates higher subsurface temperature, i.e., 250-260 °C. It is estimated that reservoir fluid has high TDS with chloride content up to 4000 mg/L.

Co-Authors Abdurrachman Asseggaf Abdurrokhim ⠀ Adjat Sudrajat Agus Didit Haryanto Al Kautsar, Muhammad Ilham Anastasia Yovita Sari Arief Syaifudin Arif Fadillah Azwar Satrya Muhammad Azwar Satrya Muhammad Bayu Nugraha Benny Joy Binarko Santoso Bombom Rachmat Suganda Bombom Rachmat Suganda Bombom Rachmat Suganda, Bombom Rachmat Boy Yoseph Cahya Sunan Sakti Syah Alam Brilian, Ciria Humanis Budi Muljana Budi Nurani Ruchjana Burhanuddin Burhanuddin Bustomi, Zhafran Muhammad Asyam Carnesia Gabema Mutiara Pangaribuan Chay Asdak Dady Sukmayadi Datin Fatia Umar Davin Rizqa Haris Suryana Deden Zaenudin Mutaqin Dicky Muslim Dyah Marganingrum E. Ristin Pujiindiyati Edi Tri Haryanto Edi Tri Haryanto, Edi Tri Emi Sukiyah Euis Yuningsih Evi Novianti Evi Novianti Faizal Muhammadsyah Febriwan Mohammad Febriwan Mohammad Fitri Amalia Hadian, M. Sapari Dwi Heri Hermiyanto Zajuli Heri Hermiyanto Zajuli, Heri Hermiyanto Hermes Panggabean Hermes Panggabean Hermes Panggabean Hermes Panggabean Ildrem Syafri Ismawan Ismawan, Ismawan Johanes Hutabarat Johanes Hutabarat Johannes Hutabarat Jumhari Jumhari Khoirullah, Nur Lambok M. Hutasoit M Sapari Dwi Hadian M. Heri Hermiyanto Zajuli M. Heri Hermiyanto Zajuli M. Nursiyam Barkah, M. Nursiyam M. Ridfan Trisnadiansyah M. Sapari Dwi Hadian M. Sapari Dwi Hadian Moch Ridfan Trisnadiansyah Moh. Heri Hermiyanto Zajuli Moh. Heri Hermiyanto Zajuli Mohamad Sapari Dwi Hadian Mohamad Sapari Hadian Mohammad Ghozi Muhammad Kurniawan Alfadli Nana Sulaksana Nana Sulaksana Nathalie Dörfliger Nofi Muhammad Alfan Asghaf Nur Hamid NUR HAMID Panji Ridwan Peranciscus Aryanto Petrus Syariman Petrus Syariman, Petrus Pradnya Paramarta Raditya Rendra Priyo Hartanto Putri, Fauziah Listiana Putu Ayu Andhira Rasi Prasetio Rizka Maria Rizka Maria Rizki Maulia Robert M Delinom Robert Mohammad Delinom Rudy Suhendar Satrio Satrio Satrio Satrio Satrio Satrio Setiawan, Taat Siti Munawaroh Suhendar, Rudy Sunardi Sunardi Sunardi Sunardi Suratman Suratman Syaifudin, Arief Syarif Kurniawan Syintia Faramitha Taat Setiawan Tanuwijaya, Zamzam A.J. Teuku Yan Waliana Muda Iskandarsyah Teuku Yan Waliyana Teuku Yan Waliyana Muda Iskandarsyah Teuku Yan Waliyana Muda Iskandarsyah Teuku Yan Waliyana Muda Iskandarsyah Trisnadiansyah, Mochamad Ridfan Umboro, Sindhu Undang Mardiana Valérie Plagnes Vijaya Isnaniawardhani W. Kuntjoro, W. Wahyu Purwoko Wanda Adinugraha Wilda Naily Yoga A. Sendjaja Yudhi Listiawan Yuyun Yuniardi Zakarias Dedu Ghele Raja Zamzam A. J. Tanuwijaya, Zamzam A. J. Zufialdi Zakaria Zulkifli Harahap

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