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All Journal HAYATI Journal of Biosciences MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management Jurnal Ilmu Pertanian Indonesia MEDIA KONSERVASI Jurnal Primatologi Indonesia Jurnal Penelitian Hutan dan Konservasi Alam Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Jurnal Silva Tropika Jurnal Pusat Inovasi Masyarakat Policy Brief Pertanian, Kelautan, dan Biosains Tropika Biodiversitas Journal of Biological Diversity
DEDE AULIA RAHMAN
Conservation Of Forest And Ecotourism Department, Faculty Of Forestry And Environment, IPB, IPB Campus Dramaga, Bogor, 16680, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Medicine & Pharmacology Social Sciences

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Determination of long-tailed macaque's (Macaca fascicularis) harvesting quotas based on demographic parameters YANTO SANTOSA; KUSMARDIASTUTI KUSMARDIASTUTI; AGUS PRIYONO KARTONO; DEDE AULIA RAHMAN
Biodiversitas Journal of Biological Diversity Vol. 13 No. 2 (2012)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d130205

Abstract

Santosa Y, Kusmardiastuti, Kartono AP, Rahman DA. 2012. Determination of long-tailed macaque's (Macaca fascicularis) harvesting quotas based on demographic parameters. Biodiversitas 13: 79-85. Harvesting quota of long-tailed macaques for breeding purpose should be set up based on demographic parameters. The objectives of this research were to determine demographic parameters affecting the set up of harvesting quota and the sustainable harvesting quotas of long-tailed macaque in Indonesia. This study was expected to provide useful information for consideration of setting up harvesting quotas for long-tailed macaque in Indonesia. This study was conducted in November 2009-Januari 2010 using the equation of Q = Nt-MVP. The results showed varied harvesting quotas for different age classes of long-tailed macaque with an average number of 5 for infant males, 3 for infant females, 5 for juvenile males, 4 for juvenile females, 6 for sub-adult males, 8 for sub-adult females and 2 for adult males. The dominant variable determining quota was survival rate.
Determining the landscape priority and their threats for the Critically Endangered Pongo tapanuliensis population in Indonesia Dede Aulia Rahman; Dones Rinaldi; Wanda Kuswanda; Rondang Siregar; Fitri Noorch; Fahmi Hakim; Harnios Arief; Haryanto R Putro
Biodiversitas Journal of Biological Diversity Vol. 20 No. 12 (2019)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d201217

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Abstract. Rahman DE, Rinaldi D, Kuswanda W, Siregar R, Noor CF, Hakim F, Arief H, Putro HR. 2019. Determining the landscape priority and their threats for the Critically Endangered Pongo tapanuliensis population in Indonesia. Biodiversitas 20: 3584-3592. Understanding the habitat preference and spatial distribution for the management of medium-large primates is important for conserving and enhancing biodiversity in the most isolated and remote Batang Toru landscape, North Sumatra, Indonesia. Based on the first extensive orangutan survey dataset during 2000 and 2007, we aimed to provide microhabitat preference and distribution assessment for the new species of orangutan (Pongo tapanuliensis), a poorly known and threatened primate endemic in Indonesia. To inform future conservation measures, we develop a predictive habitat suitability map and use this map to show the current threat for Tapanuli orangutan in their habitat and as the basis of proposed of the landscape boundary in Batang Toru ecosystem. In order to identify some environmental factors affecting conservation, we analyzed the microhabitat preference of Tapanuli orangutan using maximum entropy modeling (MaxEnt). The modeled orangutan distribution map covers 1.458,06 km2 (58,52% of Batang Toru’s landscape) and reveals three distinct distribution areas. The four most important environmental predictors are the distance from the cultivation area, NDVI, mean precipitation, and distance from the secondary forest edge. The distribution of the orangutan overlap with land-use categories reveals that 42,98% of the distribution lies in protected areas, but that 15,54% lies in natural forest concessions and area for other purposes (APL). Large scale land-use masterplan is needed to provide strategies and control for future development in the possibility of land uses and management are allowed in the landscape including its conservation policies. Moreover, collaborative management strategies are needed to develop a sustainable management system. We confirmed the Batang Toru landscape as the sole of Indonesia’s biodiversity hotspots and a critical area to preserve the Tapanuli orangutan.
Carrying capacity estimation and habitat suitability of Sumatran elephant in Datuk Gedang Wildlife Corridor, Bukit Tigapuluh Landscape, Jambi, Indonesia NAUFAL FIKRI; DEDE AULIA RAHMAN; NYOTO SANTOSO
Biodiversitas Journal of Biological Diversity Vol. 24 No. 10 (2023)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d241036

Abstract

Abstract. Fikri N, Rahman DA, Santoso N. 2023. Carrying capacity estimation and habitat suitability of Sumatran elephant in Datuk Gedang Wildlife Corridor, Bukit Tigapuluh Landscape, Jambi, Indonesia. Biodiversitas 24: 5548-5557. Rapid land use changes, including deforestation and land conversion into human areas, lead to the fragmentation of Sumatran elephant (Elephas maximus sumatranus) habitat. This study aimed to assess food capacity and determine habitat suitability for Sumatra elephants in Datuk Gedang Wildlife Corridor Bukit Tigapuluh Landscape. The research was conducted from January to May 2023. Data on potential, productivity, and carrying food capacity were collected with a direct method in the field with vegetation analysis. Carrying capacity estimation is based on data on productivity, land cover area, proper use, and Sumatran elephant food needs in a day. The habitat suitability model used the present coordinate point data from the GPS collar period of January-December 2022 with eight environment variables. The data were then analyzed for the build Sumatera Elephant habitat suitability model using the Maximum Entropy (MaxEnt) algorithm. We recorded 95 species of the potential Sumatran elephant food. The total feed productivity is 1,032,740.722 kg/ha /day and the carrying capacity is 258 elephants. There were three models of habitat suitability categories: high 4,238.66 ha (7%), medium 8,522.34 ha (14%), and low 11,130.36 ha (18%). The studied landscape can adequately accommodate the current population of Sumatran elephants depending on landscape governance (policy and spatial planning) outside conservation areas.
Bird communities in the tropical peri-urban landscape of Bogor, Indonesia SEPTIAN PUTRA ADI NUGROHO; ANI MARDIASTUTI; YENI ARYATI MULYANI; DEDE AULIA RAHMAN
Biodiversitas Journal of Biological Diversity Vol. 24 No. 12 (2023)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d241260

Abstract

Abstract. Nugroho SPA, Mardiastuti A, Mulyani YA, Rahman DA. 2023. Bird communities in the tropical peri-urban landscape of Bogor, Indonesia. Biodiversitas 24: 6988-7000. Amidst the urbanization threat, peri-urban landscapes can play an important role in biodiversity conservation, particularly among birds. Therefore, to study species and functional diversity of bird communities in the tropical peri-urban landscape, we observed four habitat types (forest, plantation, built-up area, and farmland) in the Ciampea-Dramaga Landscape, Bogor, Indonesia, from September to December 2020 and September to December 2021. A standard point method was used to observe birds, and several diversity indices were used for data analysis. Altogether, we recorded 11,290 individual birds of 61 species and 33 families. The species diversity tended to be higher in the increasing habitat succession stages. Forest had the highest species diversity (H?=3.17), followed by plantation (H?=2.87), built-up area (H?=2.54), and farmland (H?=2.23). Meanwhile, functional diversity revealed that all feeding guilds can be observed in the forest. The species richness of frugivore-insectivores dominated all habitats, and their abundance are also dominated in forest and plantation habitats. In contrast, granivores dominated farmland, and fly-catching insectivores dominated built-up areas. Due to its relatively high bird diversity in the study area, it needed to be conserved, including habitat management at the landscape scale, strengthening policies and conservation actions, and raising public awareness.
Mapping habitat suitability and connectivity for the Sunda clouded leopard (Neofelis diardi) in Batutegi Protected Forest, Lampung, Indonesia HAFIZ NUR MALIK; DEDE AULIA RAHMAN; YUDI SETIAWAN; ROBITHOTUL HUDA
Biodiversitas Journal of Biological Diversity Vol. 25 No. 5 (2024)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d250543

Abstract

Abstract. Malik HN, Rahman DA, Setiawan Y, Huda R. 2024. Mapping habitat suitability and connectivity for the Sunda clouded leopard (Neofelis diardi) in Batutegi Protected Forest, Lampung, Indonesia. Biodiversitas 25: 2249-2256. One of the rarest and least understood species of carnivore, the Sunda clouded leopard (Neofelis diardi Cuvier, 1823), is facing considerable threats from continued habitat loss and fragmentation. The Batutegi Protected Forest, Lampung, Indonesia, which was recently identified as an existing but isolated habitat of this vulnerable felid, is also experiencing fragmentation and encroachment. These combined threats have led to a reduction in the availability of suitable habitats for this isolated population and created barriers restricting its movement between forested areas. Understanding the factors that influence habitat selection and developing ecological corridors to improve its connectivity is critical to the conservation of the Sunda clouded leopard in Batutegi Protected Forest. We examined camera trap data and used maximum entropy modeling to construct a habitat suitability map, which was used to develop the resistance surface. We then performed habitat connectivity analysis using least-cost modeling. Our results indicated that there was a moderate potential in some areas of the study region to support the occurrence of Sunda clouded leopard, whose presence was mainly driven by the presence of forested landscapes and higher elevations. The predicted connectivity network revealed that the most suitable corridor could facilitate the movement of Sunda clouded leopards between forested areas by avoiding the monoculture plantations and mainly crossing through a matrix of forested patches and mixed plantation areas. This study contributes important insights to assisting in the prioritization of habitat conservation for the protection of Sunda clouded leopard and overall forest biodiversity due to its capacity as an umbrella species.
Filling the ecological data gap: A detailed habitat study of the neglected bleeding toad (Leptophryne cruentata) RIZKI KURNIA TOHIR; MIRZA DIKARI KUSRINI; ANI MARDIASTUTI; BOBY DARMAWAN; DEDE AULIA RAHMAN
Biodiversitas Journal of Biological Diversity Vol. 26 No. 8 (2025)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d260827

Abstract

Abstract. Tohir RK, Kusrini MD, Mardiastuti A, Darmawan B, Rahman DA. 2025. Filling the ecological data gap: A detailed habitat study of the neglected bleeding toad (Leptophryne cruentata). Biodiversitas 26: 3973-3984. Effective conservation of threatened amphibians requires detailed ecological knowledge, yet many species remain poorly studied. This research focuses on the bleeding toad (Leptophryne cruentata), a Critically Endangered and legally protected endemic amphibian in Java, Indonesia. Despite its conservation status, ecological information about the species is scarce. We conducted habitat survey across 11 sites within Gunung Gede Pangrango National Park, West Java, from March 2023 to February 2024. A 150 m transect was randomly placed in previously known microhabitats, with environmental variables recorded twice daily and nightly (07:00-09:00) to assess diel habitat variation. We assessed elevational distribution, microclimatic parameters, hydromorphological variables, and aquatic microhabitat types. The species was observed between 1,281 and 1,892 m asl, with additional records extending to 2,089 m asl. Significant diurnal variations in air and water temperatures were found. Daytime air temperatures ranged from 15.7-21.8°C and water temperatures from 15.6-22.3°C, both significantly higher than nighttime values (p<0.001). Humidity remained consistently high (75-100%) with minimal diurnal variation. Bleeding toad was associated with moderately to highly shaded habitats and diverse aquatic environments, including waterfalls, streams, swamps, and headwall seeps. A novel observation was its presence in a terrestrial habitat 260 m from the nearest stream. These findings indicate ecological plasticity and highlight critical habitat parameters essential for conservation planning. Understanding the species’ elevational limits, microhabitat use, and environmental sensitivity provides a valuable foundation for habitat management, reintroduction strategies, and climate resilience planning for this imperiled montane amphibian.
Habitat-based spatial prediction of human-elephant conflict risk in Minas, Riau, Indonesia FADHIL NAUVALDY SYAHRAN; DEDE AULIA RAHMAN; YANTO SANTOSA
Biodiversitas Journal of Biological Diversity Vol. 26 No. 9 (2025)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d260919

Abstract

Abstract. Syahran FN, Rahman DA, Santosa Y. 2025. Habitat-based spatial prediction of human-elephant conflict risk in Minas, Riau, Indonesia. Biodiversitas 26: 4465-4478. Human-Elephant Conflict (HEC) presents a pressing threat to the endangered Sumatran elephant (Elephas maximus sumatranus) in Riau, Indonesia. This study utilized Maximum Entropy (MaxEnt) modeling to predict HEC risk zones in Minas, focusing on a small subpopulation of 11 GPS-collared elephants. Conflict occurrence data from 2020-2022 were compiled from validated reports by the Riau Natural Resources Conservation Agency (BBKSDA) and Global Positioning System (GPS) movement records. Fourteen environmental variables were initially considered, and multicollinearity analysis reduced these to eleven key predictors. MaxEnt was run using 25 cross-validation replicates, achieving excellent performance (AUC: 0.958). Proximity to open land (40.9% contribution), industrial forest plantations (22.8%), settlements (9.2%), roads (8.8%), and oil palm plantations (8.3%) emerged as the strongest predictors. Conflict probability peaked within 0-2 km of anthropogenic features, confirming the critical role of disturbed habitats. High- to very-high-risk zones (>70% probability) covered 19.94 km² (1.76% of the landscape) and were identified as priority areas for intervention, while a moderate-risk zone of 221.32 km² (19.48%) requires targeted monitoring. Low and minimal-risk zones dominated, spanning over 1,000 km² (>80%). These spatial predictions offer actionable insights for conservation planning by directly linking risk zones to mitigation needs. Strategies such as establishing buffer crops, strengthening community-based patrols, and developing early warning systems should be prioritized in high-risk areas. At the same time, habitat connectivity and ecological restoration are crucial for mitigating long-term conflict pressure. Overall, this study advances HEC modeling in Sumatra by combining empirical conflict records with predictive mapping, offering a practical framework to guide evidence-based management and promote human-elephant coexistence in fragmented tropical landscapes.
Habitat suitability and distribution of Sumatran serow (Capricornis sumatraensis sumatraensis) in a Leuser ecosystem, Indonesia SUTOPO SUTOPO; DEDE AULIA RAHMAN; IKSAN GUSTIAWAN; MISBAH SATRIA GIRI; MAFRIKHUL MUTTAQIN; MUHAMMAD SAUKI AKBAR
Biodiversitas Journal of Biological Diversity Vol. 26 No. 8 (2025)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d260819

Abstract

Abstract. Sutopo S, Rahman DA, Gustiawan I, Giri MS, Muttaqin M, Akbar MS. 2025. Habitat suitability and distribution of Sumatran serow (Capricornis sumatraensis) in a Leuser ecosystem, Indonesia. Biodiversitas 26: 3875-3885. Determining the distribution of species and suitable habitats is a fundamental part of planning for the protection of key species. Mount Leuser National Park (MLNP), Indonesia, is habitat to the Sumatran serow (Capricornis sumatraensis sumatraensis), an endangered ungulate species. Habitat loss due to deforestation for agriculture, oil palm plantations, illegal hunting, and illegal trade in body parts are factors contributing to the increasing pressure on this species in its natural habitat. Therefore, this study aims to model the distribution of the Sumatran serow and identify priority conservation zones based on habitat suitability models. We conducted ensemble modelling implemented in the R package ‘ENMTML’ using 3 modelling techniques (MaxEnt, Random Forest, and Boosted Regression Tree) and an ensemble model. We combined 282 Sumatran serow occurrence points with 9 climate, topography, vegetation, and anthropogenic variables. The Random Forest model performed best among the three models in predicting Sumatran serow habitat, with an AUC value of 0.89 and TSS of 0.62. The Random Forest model predicts a larger area with low habitat suitability, covering 74% (610,520 ha) of the total area, with moderate habitat suitability covering 16% (131,090 ha) and high habitat suitability covering only 10% (78,139 ha) of the Sumatran serow distribution across the study area. Our model can help identify potential protection areas for this species to support its conservation. This has implications for knowledge about the current distribution and suitable habitat for Sumatran serow. Conservation efforts can be focused more effectively on core zones, particularly in Section III, Blangkejeren, and Section IV, Badar. By utilising the results of the habitat suitability model for several actions such as evaluating MLNP zoning, prioritising monitoring areas, considering corridors for connectivity, and evaluating habitat restoration programmes, conservation strategies for Sumatran serows in MLNP will be improved, and the chances of survival for Sumatran serow populations in the future can be maintained.
Ecomorphological Traits of Bird Communities Along Urbanization Gradient in A Tropical Peri-Urban Landscape of Bogor, Indonesia Septian Putra Adi Nugroho; Ani Mardiastuti; Yeni Aryati Mulyani; Dede Aulia Rahman; Anik Budhi Dharmayanthi; Yohanna
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 16 No 4 (2026): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.16.4.437

Abstract

In Indonesia, peri-urban landscapes are rapidly developing and characterized by mosaics of natural, agricultural, and developed areas. This study investigated the effects of environmental differences across an urbanization gradient on bird community structure and the composition of ecomorphological traits within the tropical peri-urban landscape of Bogor, Indonesia. Field surveys were carried out between September and February from 2020 to 2023 in five habitats: secondary forest, plantation, riparian, built-up area, and farmland. Habitat conditions were characterized using Leaf Area Index (LAI), Normalized Difference Vegetation Index (NDVI), land-cover composition, and vegetation measurements. Bird communities were evaluated through standardized point-countsurveys and the calculation of diversity indices. Relationships between habitat variables and bird ecomorphological traits were assessed using Generalized Linear Mixed Models (GLMMs) and modelbased fourth-corner analysis. In total, 19,637 individuals representing 77 species and 35 families were recorded. Species richness was greatest in secondary forest and lowest in farmland, while the Shannon–Wiener index declined from 3.136 to 2.218 along the gradient from less disturbed to more modified habitats. Tree species richness emerged as a key predictor of several ecomorphological traits. Structurally complex habitats favored arboreal, frugivorous, nectarivorous, and cavity-nesting birds, whereas farmland and built-up areas were dominated by generalist, aerial, and omnivorous species. These patterns indicate that vegetation simplification may drive ecological filtering and functional homogenization. Therefore, in tropical urban environments with rapid urbanization, conservation should emphasize the preservation of remnant trees, enhancement of multilayered vegetation, and restoration of riparian corridors to boost habitat variability and connectivity for bird conservation.
Primates in reclaimed mining landscapes of South Kalimantan, Indonesia DEDE AULIA RAHMAN; IKSAN GUSTIAWAN; MEKKA RIADHAH; RIZA NOVIAN; RANDY SAPUTRA; YUNESTO YUNESTO; JOSHUA GILBERT; HANIFULLAH HABIBIE
Biodiversitas Journal of Biological Diversity Vol. 27 No. 7 (2026)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d270724

Abstract

Abstract. Rahman DA, Gustiawan I, Riadhah M, Novian R, Saputra R, Yunesto, Gilbert J, Habibie H. 2026. Primates in reclaimed mining landscapes of South Kalimantan, Indonesia. Biodiversitas 27 (7): d270724. https://doi.org/10.13057/biodiv/d270724. Post-mining landscapes can provide secondary habitats for wildlife when ecological restoration is properly implemented. In South Kalimantan, reclamation areas within the mining concession of Perseroan Terbatas (PT) Adaro Energy Indonesia Tbk have developed into habitats utilized by several primate species, including the protected proboscis monkey and silvered langur. This study aimed to estimate the number of individuals and population density of proboscis monkeys and silvered langurs, as well as to identify strategic areas with potential for artificial canopy bridge development in the post-mining landscape of PT Adaro Indonesia. Field surveys were conducted using line transect and repeated concentration count methods during morning and afternoon observation periods across reclaimed and riparian habitats. Silvered langur abundance was estimated using distance sampling analysis, while proboscis monkey abundance was estimated through repeated concentration counts. The results recorded 10 groups of silvered langurs with an estimated abundance of 88.76 individuals and a population density of 58.16 individuals/km² distributed across five locations. Proboscis monkeys were detected primarily in riparian habitats within the Catchment of Nungkaran River area, totaling 28 individuals. The observed distribution patterns were consistent with the ecological characteristics of both species, with proboscis monkeys concentrated in riverine areas, while silvered langurs utilized a broader range of reclaimed vegetation habitats. Several strategic locations with potential for artificial canopy bridge development were also identified to improve canopy connectivity within fragmented reclaimed landscapes. These findings indicate that reclaimed vegetation and riparian corridors are utilized by protected primates in post-mining ecosystems and highlight the importance of maintaining vegetation structure and habitat connectivity in post-mining landscape management.
Co-Authors . TAQIUDDIN ABDUL HARIS MUSTARI AGUS PRIYONO KARTONO Ani Mardiastuti Anik Budhi Dharmayanthi Aprillyasari, Wulan Mayang Aryo Adhi Condro Arzyana Sunkar Asep Yayus Firdaus Atih Sundawiati, Atih Azizah, Lutfia Bakhtiar Aji Bakti Mandala Bashori, Sayid Akmal Betty Purwati BOBY DARMAWAN Burhanuddin Masy’ud Dones Rinaldi Dones Rinaldi Eko Prastio Ramadhan Elfrida Ratnawati Ervizal AMZU FADHIL NAUVALDY SYAHRAN Fahmi Hakim Fauziah Ramadhana Febriyana, Aliyyah Zulfa Felayati, Nela Resta Fifin Nopiansyah fifin Nopiansyah, fifin Firman Arief Fitri Noorch Ghimar, Migo Fannan Giri, Misbah Satria HAFIZ NUR MALIK HANIFULLAH HABIBIE Harnios Arief Haryanto R Putro Hendra Gunawan IKSAN GUSTIAWAN IKSAN GUSTIAWAN Ilham Setiawan Noer Ilham Setiawan Noer Ilham, Yopin Okta JOSHUA GILBERT Julius Paolo Siregar Kurniawan, Henri KUSMARDIASTUTI KUSMARDIASTUTI Kusuma, Bita Padma Luhur Septiadi Maulahila, Haikal Idris MEKKA RIADHAH Mirza Dikari Kusrini MISBAH SATRIA GIRI Mochamad Syamsudin Muhammad Farid Al-Faritsi MUHAMMAD SAUKI AKBAR MUTTAQIN, MAFRIKHUL Nasution, Siti Noor Haliza NAUFAL FIKRI Nugrahareni, Hermita Widi Nyoto Santoso Pamungkas, Pandu Jati Puji Rianti Raden Danang Wijayanto Raden Yosi Zainal Muhammad RANDY SAPUTRA Rikha Aryanie Surya Riki Herliansyah Rinekso, Albert Joni RIZA NOVIAN RIZKI KURNIA TOHIR ROBITHOTUL HUDA Rondang Siregar Samih, Sulthan Falah Satria Giri SEPTIAN PUTRA ADI NUGROHO Septian Putra Adi Nugroho Sodahlan, Mohammad Erlan Sunderland-Groves, Jacqueline L SUTOPO SUTOPO Trisna Rizky Martiyani Ina Triwahyudi, Fajar Rizki Ujang Mamat Rahmat Ulfah Anisah Shalihah Wanda Kuswanda YANTO SANTOSA YANTO SANTOSA YENI ARYATI MULYANI Yeni Aryati Mulyani yogi prasetyo Yohanna YUDI SETIAWAN Yudi Setiawan Yudi Setiawan YUNESTO YUNESTO