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All Journal MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management Jurnal Ilmu Pertanian Indonesia Agromet Forum Pasca Sarjana Jurnal Ilmu Tanah dan Lingkungan (Journal of Soil Science and Environment) JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR Jurnal Ilmu Lingkungan JURNAL TEKNOLOGI LINGKUNGAN Journal of Tropical Soils Jurnal Keteknikan Pertanian Sains Tanah Agrovigor: Jurnal Agroekoteknologi Jurnal Sumberdaya Lahan Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Jurnal Tataloka Informatika Pertanian JTERA (Jurnal Teknologi Rekayasa) Jurnal Irigasi Jurnal Penelitian Pengelolaan Daerah Aliran Sungai Journal of Environmental Engineering & Waste Management Musamus AE Featuring Journal Jurnal Sumberdaya Lahan Jurnal Tanah dan Iklim

Suria Darma Tarigan

Departemen Ilmu Tanah Dan Sumberdaya Lahan, Fakultas Pertanian, IPB University

Author-ID : 401645

Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering

Published : 55 Documents Claim Missing Document

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Analisis Dampak Perubahan Penggunaan Lahan Terhadap Hasil Air DAS Cicatih Yusdinar, Haki; Tarigan, Suria Darma; Murtilaksono, Kukuh
JTERA (Jurnal Teknologi Rekayasa) Vol 3, No 2: December 2018
Publisher : Politeknik Sukabumi

Penelitian ini bertujuan untuk menganalisis perubahan penggunaan lahan dan hasil air beserta karakteristik hidrologi pada DAS Cicatih yang terjadi tahun 2006-2016. Penggunaan model hidrologi HEC-HMS digunakan untuk simulasi hasil air dan debit puncak terhadap penggunaan lahan berdasarkan pada skenario yang telah disusun. Pengaruh skenario perubahan penggunaan lahan ini dianalisis untuk melihat penggunaan lahan terbaik terhadap hasil air, debit puncak, serta KAT-KRA DAS Cicatih. Penggunaan lahan tahun 2006 diperoleh berdasarkan peta citra Landsat 5 ETM+ melalui metode supervised (maximum likelihood) dengan tingkat akurasi kappa sangat baik. Peta penggunan lahan tahun 2016 diperoleh dengan citra lansat 8 OLI TIRS dengan peta rujukan RBI dan Google Earth Pro serta groundcheck pada lokasi-lokasi tertentu. Penggunaan model HEC-HMS untuk hasil air dan debit puncak diperoleh pada tingkat akurasi Z > 20% dengan RMSE sebesar 13,4 m3/dt serta nilai NSE 0,649 sebagai kalibrasi model pada penggunaan lahan tahun 2006. Konsistensi model diujikan terhadap penggunaan lahan tahun 2016 dengan nilai Z > 20%, RMSE 14,1 m3/dt, serta NSE 0,579. Berdasarkan skenario yang disusun diperoleh penurunan hasil air pada penggunaan lahan skenario penerapan Rencana Tata Ruang dan Wilayah Kabupaten Sukabumi periode 2032 yaitu sebesar 9,03%, debit puncak 22,61% serta KRA dan KAT berturut-turut berkategori sangat rendah dan rendah.

Proyeksi Perubahan Penggunaan Lahan dan Dampaknya Terhadap Respon Hidrologi DAS Ciliwung Hulu Robo, Sarif; Pawitan, Hidayat; Tarigan, Suria Darma; Dasanto, Bambang Dwi
JTERA (Jurnal Teknologi Rekayasa) Vol 3, No 2: December 2018
Publisher : Politeknik Sukabumi

Penggunaan lahan di DAS Ciliwung Hulu setiap tahunnya mengalami konversi, sehingga berdampak pada aliran permukaan dan debit puncak. Penelitian ini bertujuan untuk memproyeksikan perubahan penggunaan lahan dan dampaknya terhadap respon hidrologi DAS Ciliwung Hulu. Tools yang digunakan dalam penelitian ini terdiri dari tools analisis perubahan penggunaan lahan dan proyeksi yaitu model CLUE-S dan untuk respon hidrologi menggunakan tools HEC-GeoHMS yang dipadukan dengan tools GIS. Proyeksi perubahan penggunaan lahan pada tahun 2030 dengan nilai Kappa akurasi 0,93. Nilai NSE untuk kalibrasi dan validasi model HEC-HMS berkisar antara 0,700 â 0,621. Hasil simulasi respon hidrologi dari hasil proyeksi penggunaan lahan tahun 2030 terhadap dengan debit puncak 111,3 m3/det dan volume limpasan 6,00 x 106m3.

KAJIAN DAMPAK PERUBAHAN PENGGUNAAN LAHAN TERHADAP DEBIT ALIRAN DAS CIUJUNG Sulaeman, Dede; Hidayat, Yayat; Rachman, Latief Mahir; Tarigan, Suria Darma
JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR Vol 4, No 2 (2014)
Publisher : Jurusan Teknik Sipil Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (542.907 KB)

Ciujung Watershed is considered as one of major watershed in Banten Province related to floods that take place almost every year in the area. The study aims to assess landuse change and its influence on discharge. Watershed conditions such as precipitation, discharge, peak discharge, volume rate of discharge, and runoff were analyzed in two periods: 1999-2003 and 2004-2011. Landuse changes were analyzed in 8 years period (2003-2011) as well as its influence on discharge. Average annual precipitation in the period of 1999-2003 and 2004-2011 are 2370 and 2419 mm respectively. Average annual discharge in the period of 2004-2011 increased by 15% compared to the period of 1999-2003. Watershed conditions analysis indicates that Ciujung watershed quality decreased with increasing in surface runoff coefficient with values of 0.43 (period 1999-2003) and 0.48 (period 2004-2011). The study showed that there are several decreasing landuses during period 2003-2011 such as open land, natural forest, mixed dry land farming, secondary dry forest, primary dry forest, and dry land farming by 47.4; 14.3; 8.4; 2.9; 1.6 and 0.1% respectively. Several increasing land uses during the period including bush, plantations, settlements, and paddy field by 1,974.5; 5.5; 3.8 and 0.9% respectively. Keywords: discharge, land use change, peak discharge, runoff Ciujung Watershed is considered as one of major watershed in Banten Province related to floods that take place almost every year in the area. The study aims to assess landuse change and its influence on discharge. Watershed conditions such as precipitation, discharge, peak discharge, volume rate of discharge, and runoff were analyzed in two periods: 1999-2003 and 2004-2011. Landuse changes were analyzed in 8 years period (2003-2011) as well as its influence on discharge. Average annual precipitation in the period of 1999-2003 and 2004-2011 are 2370 and 2419 mm respectively. Average annual discharge in the period of 2004-2011 increased by 15% compared to the period of 1999-2003. Watershed conditions analysis indicates that Ciujung watershed quality decreased with increasing in surface runoff coefficient with values of 0.43 (period 1999-2003) and 0.48 (period 2004-2011). The study showed that there are several decreasing landuses during period 2003-2011 such as open land, natural forest, mixed dry land farming, secondary dry forest, primary dry forest, and dry land farming by 47.4; 14.3; 8.4; 2.9; 1.6 and 0.1% respectively. Several increasing land uses during the period including bush, plantations, settlements, and paddy field by 1,974.5; 5.5; 3.8 and 0.9% respectively. Keywords: discharge, land use change, peak discharge, runoff

Identifikasi dan Sebaran Intrusi Air Laut terhadap Airtanah Dangkal di Kota Kendari Sulawesi Tenggara Kete, Surya Cipta Ramadhan; Suprihatin, Suprihatin; Tarigan, Suria Darma; Effendi, Hefni
Jurnal Teknologi Lingkungan Vol. 21 No. 2 (2020)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

ABSTRACTThe availability of clean water is one of the main problems for the people in Kendari City. Overutilization of groundwater can cause seawater intrusion to groundwater. This study aims to identify and map seawater intrusion distribution to shallow groundwater based on water quality data.Ã‚Â Sampling was obtained from 100 dug wells of the inhabitant (n=100) in March-July 2019 with a variation of the distance from the beach 0.04-5.52 km and the elevation of Groundwater (MAT) between 0.43-30.01 MASL. The distribution of shallow groundwater is mapped on the criteria to the value of Electrical Conductivity (DHL) at the standard temperature of 25 Ã‚Â°C. The analysis showed that the average groundwater temperature was 29.28Ã‚Â Ã‚Â°C, DHL was 393.52 Ã‚Âµmhos, Total Dissolved Solid (TDS) was 196.98 ppm, and pH was 6.31. Shallow groundwater, which has been varied intruded with high intruded (26.26%), rather high intruded (14.14%), medium intruded (32.32%), low intruded (6.06%) and not intruded (21.21%). The correlation between distance from the coast to the value of DHL was not significantly correlated (R2 =Ã‚Â -0.49), while groundwater level elevation has a significant correlation (R2 = 0.71). The geological factors of alluvial deposits, which generally have low permeability and slope to flat topography, cause seawater intrusion to shallow groundwater.Keywords:Ã‚Â sea water intrusion, shallow groundwater, Kendari CityÃ‚Â ABSTRAKKetersediaan air bersih merupakan salah satu masalah utama bagi masyarakat kota Kendari. Sumber air bersih masyarakat diperoleh dari airtanah. Pemanfaatan airtanah yang berlebihan dapat menyebabkan terjadinya intrusi air laut terhadap airtanah. Penelitian ini bertujuan untuk mengidentifikasi dan memetakan sebaran intrusi air laut terhadap airtanah dangkal berdasarkan data kualitas air. Pengambilan sampel diperoleh dari sumur gali penduduk sebanyak 100 sampelÃ‚Â (n=100) pada periode Maret-Juli 2019 dengan variasi jarak dari pantai 0,04-5,52 kmÃ‚Â dan elevasi muka airtanah (MAT)Ã‚Â antara 0,43-30,01 mdpl. Hasil analisis menunjukan bahwa rerata suhu airtanah sebesar 29,28Ã‚Â Ã‚Â°C, DHL sebesar 393,52 Ã‚Âµmhos, Total Dissolved SolidÃ‚Â (TDS) sebesar 196,98 ppm dan pH sebesar 6,31. Airtanah dangkal secara umum telah terintrusi dengan variasi meliputi terintruksi tinggi (26,26%), terintrusi agak tinggi (14,14%), terintrusi sedang (32,32%), terintrusi sedikit (6,06%) dan tidak terintrusi (21,21%). Korelasi antara jarak dari pantai terhadap nilai DHL tidak signifikan (R2 = -0,49), sedangkan MAT memiliki korelasi signifikan (R2= 0,71). Faktor geologi berupa endapan alluvial yang memiliki permeabilitas umumnya rendah dan berada pada topografi landai hingga datar menyebabkan terjadinya intrusi air laut terhadap airtanah dangkal.Kata Kunci:Ã‚Â intrusi air laut, airtanah dangkal, Kota Kendari

Methods for Delineating Degraded Land at Citarum Watershed, West Java, Indonesia Tarigan, Suria Darma
JOURNAL OF TROPICAL SOILS Vol 17, No 3: September 2012
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2012.v17i3.267-274

Accurate information on the extent and spatial location of degraded lands is very important to plan their rehabilitation. So far, various institutions issue different estimation on the extent of degraded land in Indonesia led to big confusion for rehabilitation planning.Â Ministry of Forestry estimates around 30.2 million ha of degraded land both inside and outside forestry area throughout Indonesia based on data released in 2007. Ministry of Forestry implementes the so called scoring method in delineating degraded land. Criteria used in the scoring methods are: land cover, slope steepness, erosion, and management. Scoring method applies different weight to each of those criteria. This study aimed to analyze accuracy of scoring method and to compare it to propose alternative methods in delineating degraded land such as: a) Inconsistency of land use, and b) Combination of Inconsistency of land use and scoring method. The accuracy of these methods were obtained by comparing to the field observation. The slope map was derived from SRTM 30 m, soil map was obtained from Soil Research Institute and land cover/land use from Ministry for Environment.Â Using GIS analysis, those maps were used to compose land capability classification (LCC) and inconsistency of land use. The study showed that scoring method had 66% accuracy in delineating degraded land. When scoring method was combined with Inconsistency method the accuracy increased about 7%.Keywords: Degraded land; inconsistency of land use; land capability class; scoring method[How to Cite: Tarigan SD. 2012. Methods for Delineating Degraded Land at Citarum Watershed, West Java, Indonesia. J Trop Soils, 17 (3): 267-274. doi: 10.5400/jts.2012.17.3.267][Permalink/DOI: www.dx.doi.org/10.5400/jts.2012.17.3.267]

SIMULASI MANAJEMEN LAHAN DI DAS CILIWUNG HULU MENGGUNAKAN MODEL SWAT Yustika, Rahmah Dewi; Tarigan, Suria Darma; Sudadi, Untung
Informatika Pertanian Vol 21, No 2 (2012): Desember 2012
Publisher : Sekretariat Badan Penelitian dan Pengembangan Pertanian

INDONESIA Pengelolaan DAS merupakan masalah serius karena luas lahan kritis meningkat yang diakibatkan oleh pengelolaan lahan yang tidak sesuai dengan kesesuaian dan kemampuannya dan tidak disertai dengan usaha konservasi tanah dan air, serta perubahan pola penggunaan lahan bervegetasi. Pengukuran lapang parameter yang berpengaruh terhadap hidrologi suatu DAS tidak mudah dilakukan karena karakteristik yang bersifat kompleks dan komprehensif. SWAT (Soil and Water Assessment Tool) merupakan suatu model yang dapat membantu dalam memperkirakan kondisi hidrologi berbasis proses fisik (physical based model). Penelitian ini bertujuan untuk untuk mengetahui nilai validasi aplikasi model SWAT di sub DAS Ciliwung Hulu dan menentukan Pengelolaan Lahan Terbaik (PLT) pada lahan pertanian di sub DAS Ciliwung Hulu. Metode yang digunakan meliputi pengumpulan data, pengolahan data input, penggunaan model SWAT, kalibrasi, validasi dan simulasi Pengelolaan Lahan Terbaik (PLT). Penelitian dilaksanakan dari bulan Juni 2011 sampai dengan Juni 2012. Validasi debit harian bulan Februari dan Maret tahun 2009 dan 2011 menunjukkan R 0,88 dan NSE 0,74. Nilai kalibrasi ini menunjukkan bahwa model SWAT dapat digunakan untuk memprediksi kondisi hidrologi pada sub DAS Ciliwung Hulu. Aplikasi teras bangku, penanaman menurut kontur, penanaman menurut strip dan agroforestri dapat menurunkan aliran permukaan. Teras bangku terbukti paling efektif menurunkan aliran permukaan hingga 79,21%.INGGRIS

Stemflow Variability in Tropical Lowland Forest Landscape Transformation System: Case Study at Jambi Province, Indonesia Bejo Slamet; I Nengah Surati Jaya; Hendrayanto Hendrayanto; Suria Darma Tarigan
Jurnal Manajemen Hutan Tropika Vol. 21 No. 1 (2015)
Publisher : Institut Pertanian Bogor (IPB University)

Land cover change may cause change on the hydrological function of an area, particularly on the distribution of rainfall that reach land surface. This study describes the characteristic of stemflow occurred within 4 ecosystems in Jambi, namely logged forest, jungle rubber, rubber plantation, and oil palm plantation. The main objective of the study was to measure the variability of stemflow in those 4 ecosystems. The main data used were rainfall and stemflow data that were directly measured for 5 months. The derived regression equation model showed that stemflow increase with rainfall depth. It was shown that values of stemflow amongs plantation types was varied indicated by the difference of its regression coefficients, as well as variations of the rainfall at the same transformation type. The percentage of stemflow to rainfall was ranging from 0.04–0.21% for rubber, 0.10–0.38% for jungle rubber, 0.28–0.54% for forest, and 0.84–3.07% for oil palm. The oil palm provided the highest stemflow volume compared to other land cover type. The uniqueness of oil palm canopy may cause the drainage of water from the canopy to the main stem that indicated by highest stemflow funneling ratio value. Rainfall significantly affected the amount of stemflow compared with the characteristics of the plant.

Dampak Perambahan Hutan Taman Nasional Lore Lindu Terhadap Fungsi Hidrologi Dan Beban Erosi (Studi Kasus Daerah Aliran Sungai Nopu Hulu, Sulawesi Tengah) Yayat Hidayat; Naik Sinukaban; Hidayat Pawitan; Suria Darma Tarigan
Jurnal Ilmu Pertanian Indonesia Vol. 12 No. 2 (2007): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (251.751 KB)

The research was proposed to identify rainforest conversion impact on hydrologic function and soil erosion, and its simulation using ANSWERS model. Surface runoff and soil erosion were measured in soil erosion plots and outlet of Nopu Upper Catchment. Rainforest conversion to agricultural lands were significantly increased soil erosions and surface runoffs. Soil erosion from maize and peanut rotation was higher 2061.8% than natural forest. It higher value also in intercroping young age cocoa, maize and cassava and maize were 2023.8% and 2012.3% respectively. While surface runoffs increased up to 761.7°/o on bare plot, 567.5% on medium age cocoa, 446.8°/o on young age cocoa, 415.1°/o on intercroping young age cacao, maize and cassavas, 405.9°/o on old cocoa, and 329.5% on intercroping young age cacao and cassavas. Crop and management factor (C factor) value is significantly corelated with outputs of ANSWERS model. Using daily daily C factors, the ANSWERS model performs well in predicting soil erosion which is showed by determination coefficent (Jr = 0.89), model efficiency (0.86), and average of percentage model deviations (24.1%). Whereas using USlE C factor, model accuracy lower which represented by model coefficient (0.40) and average of percentage model deviations (63.6%). Using daily C factors, ANSWERS model simulation indicates rainforest conversion into agricultural lands on Nopu Upper Catchment has caused soil and water loss 3190.5 ton/year and 115441.0 m3/year, respectively. Agroforestry system practices in agricultural lands which in line with reforestation in stream line and steep agricultural areas (slope> 40°/o) was effective to reduce soil erosions up to 77.6°/o.

Pengelolaan Penggunaan Lahan untuk Stabilisasi Tepian Hutan Tropis Menggunakan Agent-Based Land-Use Modelling Suria Darma Tarigan; Kerstin Wiegand
Jurnal Ilmu Pertanian Indonesia Vol. 17 No. 2 (2012): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (308.281 KB)

Tropical forest margin conversion to agriculture land in in Lore Lindu National Park has reached an alaming rate. The conversion was trigered by insufficient revenue to support minimal living standard amounted to Rp15.000.000,00/year/household obtained from unproductive cacao farming. Each household required another 1 ha new land to at least reach that minimal living standard. Therefore 218 ha of forest land are potentially cleared by farmerin the near future to extend their farming area. Increasing productivity using innovative agro-technolgy should be considered as one important alternative to reduce the need to clear another forest area. Due to the complexity of interrelated variable affected by using innovative agro-technolgy, a model should be used to take account every affected variable such as availability of labour and liquidity in adopting new agro-technology. In this research, agent-based modeling with mixed integer linear programming model (MILP) using MPMAS software (Mathematical Programming for Multy Agent System) was used to analyze impact of balanced fertilizing and irrigation technology to increase cacao land productivity. Balanced fertilizing was insufficient to reach minimum standard living of Rp15.000.000,00 with existing area of cacao land (1 ha/HH), due to the severe water deficit during month of January until February. Combining balanced fertilizing with irrigation water supply can increase productivity reaching minimum standard of living. It was obvious from the modeling that in the ealier period of cacao growth (1-5 year old), deficits in liquidity and labour was encountered. Interplanting cacao with maize at the earlier phase with additional income from livestock can alleviate liquidity shortage.

Analisis Daya Dukung Lahan Pertanian Tanaman Pangan Daerah Aliran Sungai Cibaliung, Provinsi Banten Nurlaila Mubarokah; Latief Mahir Rachman; Suria Darma Tarigan
Jurnal Ilmu Pertanian Indonesia Vol. 25 No. 1 (2020): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Analysis of carrying capacity of agricultural land for food crops is very important to do to determine the extent of the ability of agricultural land in supporting the fulfillment of the food needs of the population in an area. One problem in the Cibaliung watershed is the low ability of land to meet food needs so that residents cannot meet their needs independently. This study aims to determine the level of carrying capacity of agricultural food crops in meeting the food needs of the community in the Cibaliung River Basin (DAS) of Banten Province. Spatially, this study covered 2 regencies consisting of 15 districts within the scope of the Cibaliung watershed. The data used were secondary data taken from the Central Statistics Agency and the Agriculture and Animal Husbandry Office of Pandeglang and Lebak Regencies. The results showed that overall based on 4-year data (for the period of 2013‒2016) the carrying capacity of the Cibaliung watershed agricultural land as a whole was still low. In addition, the optimal number of populations that is able to be supported by the available food needs is still smaller than the total population recorded in each district in the Cibaliung watershed. This shows that the Cibaliung watershed area has not been able to be self-sufficient in food and has not been able to provide a decent life for its residents. Therefore, certain efforts need to be made to increase the carrying capacity of food agricultural land in this area, for example by suppressing the population and improving the quality of agricultural land resources through efforts to conserve agriculture and diversify food crop species. Keywords: agricultural land, carrying capacity, Cibaliung watershed

Co-Authors . Asisah . Hikmatullah Afri Fajar AH. Maftuh Hafidh Zuhdi Ai Dariah Andria Harfani Qalbi Atang Sutandi Austin Ullyta Bambang Hendro Trisasongko Bandung Sahari Bejo Slamet Budi Kartiwa Bunasor Sanim Bunasor Sanim Dasanto, Bambang Dwi Dede Sulaeman Dede Sulaeman, Dede Dwi P T Baskoro Dwi Putro Tejo Baskoro Enni Dwi Wahjunie Enni Dwi Wahyunie ERNA SURYANI Erwin Hermawan Faqihna Pidin Fitriani Hayati Gunadi Firdaus Haki Yusdinar Haris Syahbuddin Hefni Effendi Hendrayanto . Hengky Wijaya Hidayat Pawitan Hidayat Pawitan Hidayat Pawitan Hidayat Pawitan Hidayat Pawitan I Nengah Surati Jaya Iin Ichwandi Jamhari Jamhari kartika triasary Kerstin Wiegand Kiki Rishki Ananda Kukuh Murtilaksono Kukuh Murtilaksono Kukuh Murtilaksono La Baco S Laksono Trisnantoro Latief Mahir Rachman Mahendra Harjianto Mariana Lusia Resubun Mariana Lusiana Resubun Marimin . Marisa Dwi Putri Muhamad Buce Saleh Muhammad Yanuar J. Purwanto Muhammad Yanuar Jarwadi Purwanto Naik Sinukaban Naik Sinukaban Naik Sinukaban Naik Sinukaban Najla Anwar Fuadi Naro Pandapotan Pasaribu Nicko Widiatmoko Novia Mustikasari Nurdiyanto Agung Prasetya Nurlaila Mubarokah Nurmaranti Alim Omo Rusdiana Oteng Haridjaja Oteng Haridjaja Pungkas Syahadat Purwanto, Yanuar Jarwadi Reyna Prachmayandini Rikky Mulyawan Rima Purnamayani Rudolf Kristian Tukayo Saiful Akhyar Lubis Santun R.P Sitorus Sarif Robo Selamet Kusdaryanto Setyo Pambudi Nugroho Sudadi, Untung Sudradjat Sudradjat Sunarti Sunarti Suprihatin Suprihatin Surya Cipta Ramadhan Kete Tania June Trihono Kadri Ulfah Sarach Sheftiana Widya Ulfah Utami Yayat Hidayat Yudha Kristanto Yusdinar, Haki Yustika, Rahmah Dewi

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