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All Journal Jurnal Ilmu Pertanian Indonesia Indonesian Journal of Geography Jurnal Ilmu Lingkungan JURNAL SAINS PERTANIAN EQUATOR Perkebunan dan Lahan Tropika Kinerja JTSL (Jurnal Tanah dan Sumberdaya Lahan) SEMIRATA 2015 JURNAL PENGABDIAN KEPADA MASYARAKAT Jurnal Pengabdian Kepada Masyarakat (Indonesian Journal of Community Engagement) Jurnal Biodjati Window of Health : Jurnal Kesehatan Jurnal Pertanian Agros Jurnal Meteorologi Klimatologi dan Geofisika Buletin Ilmiah Marina : Sosial Ekonomi Kelautan dan Perikanan Abditani : Jurnal Pengabdian Masyarakat Agrotechnology Research Journal GEOGRAPHY : Jurnal Kajian, Penelitian dan Pengembangan Pendidikan Jurnal Ilmu Pertanian Tirtayasa Journal of Environmental Science and Sustainable Development Jurnal Borneo Akcaya : Jurnal Penelitian dan Pengembangan Pelayanan Publik Society : Jurnal Pengabdian dan Pemberdayaan Masyarakat Buletin Jalanidhitah Sarva Jivitam Jurnal Locus Penelitian dan Pengabdian Jurnal Teknologi Lingkungan Lahan Basah Jurnal Ilmiah Multidisiplin Indonesia Sulolipu: Media Komunikasi Sivitas Akademika dan Masyarakat Biodiversitas Journal of Biological Diversity
Evi Gusmayanti
Master Program Of Environmental Science, Tanjungpura University, Pontianak 78124, Indonesia
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Veterinary Other

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Strategi Pengelolaan Sampah di Ibu Kota Kabupaten Sanggau Regie Tio Prihantoro; Evi Gusmayanti; Akhmad Yani
Jurnal Ilmu Lingkungan Vol 23, No 2 (2025): March 2025
Publisher : School of Postgraduate Studies, Diponegoro Univer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jil.23.2.516-523

Abstract

Pengelolaan sampah pada sebuah wilayah merupakan tanggung jawab pemerintah daerah dengan tujuan untuk meningkatkan kesejahteraan masyarakat dan kondisi lingkungan serta menjaga stabilitas kelestarian sumber daya alam. Masalah sampah pada daerah perkotaan akan terus menjadi sebuah tantangan bagi para pihak pengelola perkotaan dalam mengembangkan infrastruktur dan fasilitas yang ada Tujuan  penelitian ini adalah untuk Menganalisis  Strategi dalam  Pengelolaan Sampah Di Ibu Kota Kabupaten Sanggau. Desain penelitian ini merupakan jenis penelitian kuantitaif deskriptif dengan menggunakan metode linier untuk memproyeksikan penduduk dan teknik analisis SWOT untuk menganalisis strategi dalam pengelolaan sampah di Ibu Kota Kabupaten Sanggau. Teknik Proyeksi Besar dan Volume Timbulan Sampah yang digunakan juga disesuaikan dengan SNI M-36-1991-03 yang mengatur metode pengumpulan dan pengukuran sampel besaran timbulan sampah. Dari penelitian yang telah dilakukan dengan memproyeksikan Jumlah penduduk, timbulan sampah dan kepadatan penduduk menunjukkan bahwa terdapat permasalahan dalam pengelolaan sampah di Ibu Kota Kabupaten Sanggau yakni masalah kewenangan di institusi pengelola, yang berdampak pada subsistem lainnya, seperti subsistem teknis operasional, yaitu sarana dan prasarana, subsistem pembiayaan, yaitu biaya pengelolaan sampah yang masih rendah, dan subsistem hukum, Dengan kata lain, tidak ada peraturan persampahan di daerah, Peraturan Daerah tentang Persampahan dan Pembuangan Sampah, khususnya. Selain itu, masalah yang terus-menerus adalah kurangnya keterlibatan masyarakat dalam pengelolaan sampah. Oleh sebab itu dalam mengatasi permasalahan tersebut, penelitian ini menggunakan metode SWOT dalam memecahkan permasalahan dan merumuskan strategi dalam pengelolaan sampah Ibu Kota Kabupaten Sanggau. Terdapat 3 stratregi prioritas kebijakan yang dapat menyelesaikan permasalahan pengelolaan sampah yakni pertama penataan kembali kelembagaan dan hukum, kedua membenahi komponen teknis sistem pengelolaan sampah dan yang terakhir meningkatan peran dari masyarakat.
Pengaruh Sekat Kanal Terhadap Beberapa Sifat Fisika dan Kimia dalam Air Saluran Drainase Gambut Terdegradasi Erin Dayanti; Gusti Z Anshari; Evi Gusmayanti; Yulita Andriyani; Desi Silvani Putri Aulian Barry; Jennifer C Bowen; Ruby Gates; Clarice R Perryman; Alison Hoyt
Jurnal Ilmu Lingkungan Vol 23, No 5 (2025): September 2025
Publisher : School of Postgraduate Studies, Diponegoro Univer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jil.23.5.1155-1161

Abstract

Lahan gambut di Indonesia seluas 13,4 juta hektar, dan sekitar 60% degradasi akibat drainase untuk pembangunan pertanian dan hutan tanaman industri. Pembangunan sekat kanal merupakan salah satu solusi untuk mengatasi masalah ini. Penelitian ini bertujuan untuk menganalisis dampak sekat kanal terhadap beberapa sifat fisika dan kimia air saluran drainase sebelum dan setelah sekat kanal. Penelitian dilakukan pada lima sekat kanal di desa Rasau Jaya Umum, Kabupaten Kubu Raya, Provinsi Kalimantan Barat. Metode yang digunakan meliputi survei lapangan, pengambilan dan analisis sampel air. Untuk menganalisis perbedaan beberapa sifat fisika dan kimia sebelum dan setelah sekat kanal. Dilakukan Uji T dengan program Real Statistics. Penyebaran data hasil pengukuran ditampilkan dengan diagram kotak (boxplot). Hasil penelitian menunjukkan bahwa setelah sekat kanal temperature lebih tinggi yaitu 31,28˚C ± 3,00 dibandingkan sebelum sekat kanal 29,54˚C ± 0,93 dan pH air setelah sekat kanal 3,91 ± 0,28 dibandingkan sebelum sekat kanal 3,63 ± 0,18, namun kadar oksigen terlarut setelah sekat kanal lebih rendah yaitu 0,86 mg/l ± 0,37 dibandingkan sebelum sekat kanal 1,25 ± 0,71. Kedalaman air saluran menunjukkan penurunan yang signifikan setelah sekat kanal yaitu 25,20 cm ± 8,32 sedangkan sebelum sekat kanal 49,70 cm ± 11,37. (p sebesar 0,000) menunjukkan bahwa perbedaan ini signifikan secara statistik, yang berarti sekat kanal berpengaruh terhadap kedalaman air saluran. Kedalaman muka air tanah (water level height) menunjukkan penurunan setelah sekat kanal yaitu 30,50 cm dengan standar deviasi 11,63 sedangkan sebelum sekat kanal 36,15 cm dengan standar deviasi 10,99, namun p-value yang lebih besar dari 0,05 (0,093) menunjukkan bahwa perbedaan ini tidak signifikan secara statistik. Konsentrasi besi terlarut lebih rendah setelah sekat kanal yaitu 9,68µM ± 2,66 dibandingkan sebelum sekat kanal, yaitu 13,20µM ± 1,47, yang menunjukkan kondisi oksidatif yang lebih dominan. Sementara itu, karbon organik terlarut (DOC) tidak menunjukkan perbedaan signifikan, meskipun rerata nilai DOC sedikit lebih tinggi sebelum sekat kanal. Temuan ini menunjukkan sekat kanal menyebabkan akumulasi Fe, yang berpengaruh terhadap perombakan bahan organik menjadi emisi gas rumah kaca.
Farming Sustainability in Peatlands Following Restoration Programme in West Kalimantan Jajat Sudrajat; Evi Gusmayanti; Rossie Wiedya Nusantara; Siti Sawerah
Jurnal Ilmu Pertanian Indonesia Vol. 31 No. 1 (2026): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18343/jipi.31.1.83

Abstract

The Indonesian government's peat restoration program, which began in 2016, is alleged to have an impact on the sustainability of peatland farming, because rewetting has the potential to cause waterlogging, limiting the crop commodities that can be cultivated. This project will look at the viability of small-scale farming on restored peatlands. To fulfill the study's objectives, we used a combination of quantitative and qualitative methods. The quantitative technique included an analysis of agricultural income to determine the economic sustainability, whereas the qualitative approach explains social sustainability. The environmental sustainability was assessed using the carbon rescue acquired after rewetting. The findings revealed that rewetting had little effect on the income from vegetable and fruit crops. The farming income, which remains relatively high, demonstrates that farming's economic sustainability is viable. Similarly, the social dimension does not detract from the sustainability aspect, because the rewetting of the land did not significantly alter the social structures and institutions that had been built in the farmer's community. Meanwhile, from an environmental standpoint, the impact of rewetting is quite favorable, as every 1 cm increase in water table level has the potential to conserve at least 0.71 tons of CO2 per acre per year, or around IDR 13,888−26,993. Keywords: carbon rescue, farming, peatland restoration, rewetting
Phenols, Tannins, and Total Colonies of Phenol-Degrading Bacteria in the Natural and Cultivated Peatlands Wandanil Wandanil; Evi Gusmayanti; Gusti Zakaria Anshari
Jurnal Ilmu Pertanian Indonesia Vol. 30 No. 3 (2025): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18343/jipi.30.3.540

Abstract

Phenols play an important role in inhibiting the decomposition rate of peats. This research compares the total phenols, tannins, and colonies of phenol-degrading bacteria in natural and cultivated peatlands. The work was conducted from September to December 2023 on the peatlands in Pontianak, West Kalimantan. Samples of 60 cm3 were collected from the peat surface. The samples were taken from 4 types of peats, namely natural peats covered by ferns (A), cultivated peat with raised beds (B), cultivated peat with raised beds ameliorated with lime and beef manure (C), and cultivated peat with raised beds ameliorated with lime, beef manure, and Jadam fertilizer (D). The total phenols content was measured using the Folin-Ciocalteu 10% method using a UV-Vis spectrophotometer at a wavelength of 765 nm. The total tannins content was measured using the Folin-Denis method using a UV-Vis spectrophotometer at a wavelength of 740 nm. Total bacterial colonies were counted using the Total Plate Count method on selective Mineral Salt Medium (MSM) agar with the addition of phenol solution. The results showed that the average total phenols and tannins content values were generally low in the cultivated peats, particularly in the raised bed (B). The results indicate that the cultivated peat accelerates the activity of phenol-degrading bacteria. Keywords: Jadam fertilizer, phenols, phenol-degrading bacteria, peats, tannin
Profile of Phenolic Compounds and Phenol-Degrading Bacterial Colonies in Secondary Peat Forest Soil Fiko Jervannes; Gusti Z. Anshari; Evi Gusmayanti; Yulita Andriyani
Jurnal Biodjati Vol 10 No 2 (2025): November
Publisher : UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/biodjati.v10i2.47139

Abstract

Peat contains high levels of phenols and lignin, which are resistant to decomposition. Drainage canals lower the groundwater table, promoting microbial degradation. This study investigated microbial decomposition in a secondary peat swamp forest by quantifying phenol-degrading bacterial colonies and measuring phenol concentrations in peat soil from Malikian Village, Mempawah Regency, West Kalimantan. Samples were collected from three plots at two depths, the aerobic layer and the anaerobic layer, with fifteen (15) samples from each depth. Bacterial colonies were counted via mineral salt medium (MSM) with up to five dilutions, whereas phenolic compounds were measured via the Folin–Ciocalteu method. Paired t-tests revealed highly significant differences in both phenol concentration (p-value < 0.001) and the number of phenol-degrading bacterial colonies (p-value < 0.003) between the aerobic layer and the anaerobic layers. These findings indicate that peat decomposition is more pronounced in the aerobic surface layer than in the permanently waterlogged layer. This observation is attributed to the greater number of phenol-degrading bacterial colonies and lower phenol concentration in the surface layer than in the deeper layer. Consequently, the aerobic conditions in the surface layer of the secondary peat swamp forest facilitate accelerated peat decomposition
Growth and Yield Response of Pagoda Mustard to Nitrogen Fertilizer and Biostimulant Application on Podzolic Soil Feneranda Anggraeny; Evi Gusmayanti; Cico Jhon Karunia Simamora
Agrotechnology Research Journal Vol 9, No 1 (2025): Agrotechnology Research Journal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agrotechresj.v9i1.102491

Abstract

Pagoda mustard is a new type of vegetable in Indonesia with high economic potential, but its cultivation is still limited. One of the challenges in its development is the use of Red-Yellow Podzolic soil, which is characterized by acidic pH, low organic matter, and limited nutrient availability, all of which can hinder plant growth. The use of biostimulants and balanced fertilization in cultivated plants can provide optimal growth and yield. The research was carried out in West Kalimantan, for two months from May to July 2024, using a Factorial Completely Randomized Design with two factors: biostimulants application (without and with biostimulants) and nitrogen fertilizer application at three levels (100, 200, and 300 kg.ha-1). The results indicate that the combined application of biostimulants and nitrogen fertilizer did not show interactions for any observed variables. However, a single treatment of biostimulants could increase the number of leaves, leaf area index, root volume, dry weight, and amino acid levels of pagoda mustard plants. Nitrogen fertilizer at 100 kg.ha-1 was found to be an efficient treatment to increase the growth and yield.
Enhancing water levels of degraded, bare, tropical peatland in West Kalimantan, Indonesia: Impacts on CO2 emission from soil respiration DWI ASTIANI; BURHANUDDIN BURHANUDDIN; EVI GUSMAYANTI; TRI WIDIASTUTI; MUHAMMAD J. TAHERZADEH
Biodiversitas Journal of Biological Diversity Vol. 19 No. 2 (2018)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d190221

Abstract

Astiani D, Burhanuddin, Gusmayanti E, Widiastuti T, Taherzadeh MJ. 2018. Enhancing water levels of degraded, bare, tropical peatland in West Kalimantan, Indonesia: Impacts on CO2 emission from soil respiration. Biodiversitas 19: 522-527. The major drivers of deforestation in West Kalimantan have been the development for large or small-scale expansion of agricultural activities; the establishment of oil palm and other plantations; fire; and degradation of forests particularly from industrial logging. Our previous research findings have shown that such activities in affected peatland areas have lowered the water table levels (down to 0.5-1.0 m depths), and have significantly increased CO2 emissions from the peat soils. It has been demonstrated that unmanaged, lowered water tables in peatlands act as one of the main factors inflating soil carbon emissions - an issue that has assumed global significance in recent decades. Regulating peatland water tables has the potential to mitigate degraded peatland carbon emissions as well as improve the hydrological functions for communities who farm the peatlands. However, we are still uncertain exactly how much impact controlled raising of the peatlands water tables will have on reducing soil CO2 emissions. The research described here aimed to mitigate CO2 emissions by raising and regulating water levels on drained peatland to restore and enhance its hydrological functions. The results confirmed that raising the water table significantly decreases CO2 emissions and improves water availability and management for crop production in the coastal peatland of Kubu Raya district, West Kalimantan. Water levels previously at 60cm below the soil surface were regulated to raise the watertable up to just 30 cm below the surface and this reduced peatland carbon emissions by about 49%. However, longer-term monitoring is required to ensure that the hydrological benefits and CO2 mitigation can be sustained.
CO2 fluxes from drained tropical peatland used for oil palm plantation in relation to peat characteristics and crop age after planting EVI GUSMAYANTI; GUSTI Z ANSHARI; MUHAMMAD PRAMULYA; AGUS RULIYANSYAH
Biodiversitas Journal of Biological Diversity Vol. 20 No. 6 (2019)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d200622

Abstract

Large expansion of oil palm plantation on peatland has changed its important role for carbon sink into a carbon source.&nbsp; Conversion of peat swamp forest with high carbon density into a monoculture of oil palm has released the significant amount of carbon into atmosphere either carbon previously stored in forest biomass or carbon stored in peat organic matter.&nbsp; Drainage canal to artificially lower groundwater level as a prerequisite of oil palm cultivation provides the favorable condition for soil microbes activities in decomposing peat organic matter resulted in CO2 flux increase.&nbsp; The fluctuation of groundwater level and variation of environmental factors near the peat surface may regulate the rate of CO2 released from the soil.&nbsp; We aimed to measure CO2 fluxes from two sites of oil palm plantation with different peat characteristics and analyzed the correlation with groundwater level, soil temperature, air temperature,&nbsp; gravimetric water content, peat pH, oxidative reductive potential, and crop age.&nbsp; The measurement has been conducted from September 2016 to April 2017 in West Kalimantan, Indonesia by using portable infrared gas analyzer EGM 4.&nbsp; In addition to soil sampling at the same time as the gas measurement, we collected soil samples for some peat characteristics analysis consist of bulk density, particle density, porosity, soil organic matter, ash content, carbon, and nitrogen content prior to CO2 flux measurement.&nbsp; Our result shows that the difference of peat chemical characteristics between two sites has resulted in different CO2 flux.&nbsp; Oil palm ages seemed to affect CO2 flux by regulating microclimatic condition around crop canopy.&nbsp; Another finding is the insignificant relationship between CO2 fluxes and groundwater level unless the groundwater level reached more than 50 cm from the peat surface.&nbsp; It implies that maintaining groundwater level-up to 50 cm resulting in similar CO2 flux.
Local knowledge on landscape sustainable-hydrological management reduces soil CO2 emission, fire risk and biomass loss in West Kalimantan Peatland, Indonesia DWI ASTIANI; MOHAMMAD J TAHERZADEH; EVI GUSMAYANTI; TRI WIDIASTUTI; BURHANUDDIN BURHANUDDIN
Biodiversitas Journal of Biological Diversity Vol. 20 No. 3 (2019)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d200316

Abstract

Abstract. Astiani D, Taherzadeh MJ, Gusmayanti E, Widiastuti T, Burhanuddin. 2019. Local knowledge on landscape sustainable-hydrological management reduces soil CO2 emission, fire risk and biomass loss in West Kalimantan Peatland, Indonesia. Biodiversitas 20: 725-731. &nbsp;Local knowledge in managing peatlands, especially in the area of peat hydrology, has been practiced through generations to manage peatlands for agriculture and small scale gardens. Farmers in West Kalimantan have developed the way to conserve water by making simple dams using soil or woody plants to hold water from the peat upstream areas on small channels or rivers. To reduce puddles during rain or tides, people make small trenches, so-called parit cacing in the middle of the larger channel. The trench cross-section size is ~30-40 cm2. This channel can maintain the peat water level to the extent of the depth of the channel. These channels, at the same time, are useful, for a clear, easy land ownership border for one farmer family land. The results of CO2 emissions assessment at various water levels on the peatland landscape demonstrate that the landscape which surrounded by the parit cacing trenches can maintain lower CO2 emissions compared to the one that has deeper water levels. The knowledge to develop this channel has also reduced the risk of peatland fire hazard and the amount of peat biomass loss on a fire event. An assessment on the effect of water level on the loss of peat biomass when burned, reduce 30-78% loss risks if compared to water table depth of 60-80cm, which is assumed as general practices on peatland recently. The practices of the knowledge on peatlands hydrology management can reduce the risk of peatland soil CO2 emission as well as loss of peat mass through decomposition and during peat fires.
Organic Waste Management in Markets Based on Waste Characteristics: A Case Study of Markasan Market in Nanga Pinoh, Melawi Evinsyah Putra Nasution; Evi Gusmayanti; Aji Ali Akbar
Jurnal Ilmiah Multidisiplin Indonesia (JIM-ID) Vol. 4 No. 12 (2025): Jurnal Ilmiah Multidisplin Indonesia (JIM-ID), December 2025
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Traditional markets are key centers of economic activity and major sources of organic waste generation in Indonesia. This study aims to analyze the volume, density, and composition of organic waste at Markasan Market, Nanga Pinoh, and to identify traders’ participation in waste management. The research employed a quantitative approach through direct measurement and surveys involving 58 traders representing four main commodities: vegetables, fish, poultry, and fruits. Data were collected using observation, interviews, and questionnaires, then analyzed descriptively. The results show that waste generation is dominated by organic waste (>80%) with an average density of 104.68 kg/m³ and a generation rate of 2.74 kg/unit/day. The largest composition comes from poultry feathers, while the smallest is vegetable residue. Traders’ knowledge, facilities, and compliance with waste management are categorized as moderate. The main issues include limited waste facilities, low awareness among traders, and weak regulatory enforcement. The study recommends improving waste storage facilities, formulating stricter regulations, conducting continuous training and awareness programs, and implementing incentive and penalty systems. Additionally, utilizing organic waste for compost, animal feed, or biogas is considered a promising strategy to support 3R (reduce, reuse, recycle) principles and Sustainable Development Goal 12 (Responsible Consumption and Production). This research contributes to developing effective, healthy, and sustainable waste management models for traditional markets and provides a practical reference for local governments and market managers.
Co-Authors Abdul Jabbar Adhitiyawarman, Adhitiyawarman agus ruliyansyah Agustina Listiawati Agustina, - - Ahmad Subuh Aji Ali Akbar Akbar, Aji Ali Akhmad Yani Alfiyani, Hani Ali Akbar , Aji aliamin aliamin Alison Hoyt Andeni, Octavia Yesie Anshari, Gusti Z. Anshari, Gusti Zakaria Aripin, Samsun Asmadi asmadi Atmi Ayu Sisdamantri Bambang Jatmiko Basuni Bewa Mulyatama BURHANUDDIN BURHANUDDIN BURHANUDDIN BURHANUDDIN Chairani Siregar Cico Jhon Karunia Simamora Clarice R Perryman Dadan Kusnandar Darussalam Darussalam, Darussalam Debi Sumarlin Desi Silvani Putri Aulian Barry Dika Riyani Dini Anggorowati DWI ASTIANI DWI ASTIANI Dwi Zulfita Erin Dayanti Evinsyah Putra Nasution Fanni Aditya Farah Diba Fathmawati Fathmawati Feneranda Anggraeny Fiko Jervannes Gultom, Ester Romatua Gusti Z Anshari GUSTI Z ANSHARI Gusti Z. Anshari Gusti Zakaria Anshari Gusti Zakaria Anshari Gusti Zakaria Anshari Gusti Zakaria Anshari Gusti Zulkifli Mulki Hardiyanti Ningsih Hasibuan, Hardiyanti Ningsih Havid Aqoma Henny Sulistyowati Herani, Antonia Hidayat, - - Indah Budiastutik Iva Tifani Iwan Sasli J.K. Simamora, Cico Jajat Sudrajat Jajat Sudrajat Jamaludin . Jamaludin Jamaludin Jennifer C Bowen Josua Parulian Hutajulu Kristin, Valenti Lutfiando, Muhammad Fadli Malik Saepudin MOHAMMAD J TAHERZADEH Muhammad Elifant Yuggotomo Muhammad Iqbal MUHAMMAD J. TAHERZADEH Muhammad Pramulya MUHAMMAD PRAMULYA Muhammad Pramulya Muhti Dewi Prihutami Murni, Sri Dewi Nelly Wahyuni NORMALA, NORMALA Octadinata, Rizky Patriani Patriani, Patriani Rakhmad Perkasa Harahap Regie Tio Prihantoro Resky Nanda Pranaka Rio, Kornelius Rohim, Mulyadi Rossie Wiedya Nusantara Rossie Wiedya Nusantara Rossie Wiedya Nusantara Rossie Wiedya Nusantara Ruby Gates Saifuddin Saifuddin sandi, ersandi Shandra Andina Rahsia Sholahuddin Sinaga, Christina Siswahyudianto Siti Sawerah Siti Sawerah SRI RAHAYU, ULYA Sudrajat, Jajat Sudrajat Surachman Surachman Sutikno Sutikno Tangti Yosepa Togatorop, Marthin Jonathan TRI WIDIASTUTI TRI WIDIASTUTI Triatmojo, Leo Pamungkas Usela, Viesta Cahya Uswatun Hasanah Wandanil Wandanil Warganda, - Widadi Padmarsari Soetignya Yulita Andriyani Yulita Andriyani Yulita, Ratna Z. Anshari, Gusti Zapariza, Rudi