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EVALUASI PELAKSANAAN REVEGETASI PADA LAHAN PASCATAMBANG BATUBARA (STUDI KASUS DI PT. X DI KABUPATEN TANAH BUMBU PROVINSI KALIMANTAN SELATAN) Fathurrahman, Fathurrahman; Kissinger, Kissinger; Achmad, Basir; Abidin, Zainal
EnviroScienteae Vol 19, No 4 (2023): ENVIROSCIENTEAE VOLUME 19 NOMOR 4, NOVEMBER 2023
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/es.v19i4.17799

Abstract

Coal mining company in PT. X, in Tanah Bumbu District, South Kalimantan Province, uses the open-pit mining method, causing the initial vegetation loss of an area. PT. X has rehabilitated areas affected by mining by reclamation and revegetation to comply with government regulations. The types of vegetation that grew in the post-mining land revegetation area in the planting years 2012, 2014 and 2016 were acacia (Acacia mangium WILLD), trambesi (Samanea saman), sea sengon (Paraserianthes falcataria), and woody and fruit plants such as mahogany (Swietenia macrophylla), agarwood (Aquilaria moluccensis), meranti (Shorea Spp.), sungkai (Peronema canescens), rubber (Hevea brasiliensis), durian (Durio zibethinus), jackfruit (Artocarpus heterophylla), cashew (Anacardium occidentale), mango (Mengifera indica) and galam (Melaleuca cajuputi). Land characteristics have a steep slope of 35° in 2012 and range from 5°-20° in 2014 and 2016 The drainage system for planting years 2012, 2014 and 2016 looks good no erosion strains, planting years 2014 sites are flooded. The results of soil analysis are pH 4.48 - 4.97; the value of C-organic compounds 0.20% (very low) - 1.33% (medium); P2O5 1.89 mg/100g-1 (very low) - 40.10 mg/100g-1 (high);  K2O with values of 8.57 mg/100g-1 (low) - 15.50 mg/100g-1 (medium), 0.20 me/100g-1 (very low) – 19.59 me/100g-1 (low); Mg-exchange at a value of 0.10 me/100g-1 (very low) - 0.20 me/100g-1 (low); Na-exchange of 0.05 me/100g-1 - 0.10 me/100g-1 is low; K-exchange with a value of 0.03 me/100g-1 - 0.05 me/100g-1 is very low, CEC 27.85 me/100g-1 - 52.48 me/100g-1 is low, saturation 0.95% (very low) - 41.56 (high). Based on the success rate of reclamation with revegetation parameters according to the Regulation of the Minister of Forestry No.P.60/Menhut-II/2009, it can be concluded that the success of revegetation obtained for the overall value with an overall value of 24 out of the target value of 50 with a percentage of plant growth of 27%, then the success value of revegetation is categorized as low.
PEMANFAATAN LIMBAH SERBUK GERGAJIAN KAYU ULIN (Eusideroxylon zwageri T & B) UNTUK MENURUNKAN KADAR FECAL COLIFORM AIR SUNGAI Laksono, Eko Setyo; Kissinger, Kissinger; Suyanto, Suyanto; Achmad, Basir
EnviroScienteae Vol 20, No 1 (2024): ENVIROSCIENTEAE VOLUME 20 NOMOR 1, FEBRUARI 2024
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/es.v20i1.18849

Abstract

Martapura river water is included in categories that have a fairly high bacterial content, which is 21,333 colonies/100 ml. The optimal value of water quality standards to be met with water treatment businesses is the use of ironwood sawdust waste. Bacteria in water attach most of their lives to suspension particles, so microscopic organisms are also separated or filtered. The purpose of this study was to analyze fecal coliform in river water and analyze the volume of ironwood sawdust to reduce fecal coliform levels in river water. Martapura river water contains the highest fecal 1,800MPN/100ml and the lowest 1,600MPN/100 ml, according to the Minister of the Republic of Indonesia No. 22 of 2021 concerning the implementation of environmental protection and management related to standards, including category two which is used as water tourism facilities/infrastructure, freshwater fish farming, animal husbandry, plant irrigation and other activities requiring the same water quality and use. Ironwood sawdust as much as 25% or 90 grams proved most effective to be used to reduce fecal levels with an average value on the first day of 1,650 MPN/100ml and on the third day with treatment carried out up to indigo 350 MPN/100ml, so that the difference reached a value of 1,300 MPN/100ml.
KOMPONEN DAN KESESUAIAN HABITAT LUTUNG DAHI PUTIH (Presbytis frontata) DI DAS CANTUNG Darmaji, Darmaji; Fithria, Abdi; Kissinger, Kissinger; Priatmadi, Bambang Joko
EnviroScienteae Vol 19, No 3 (2023): ENVIROSCIENTEAE VOLUME 19 NOMOR 3, AGUSTUS 2023
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/es.v19i3.17274

Abstract

The white-fronted langur (Presbytis frontata) is categorised as a protected wildlife according to (P.106/MENLHK/SETJEN/KUM.1/8/2018). Forest degradation, land use change, and environmental damage due to human activities by encroaching on forests can cause habitat fragmentation. The preservation of white-fronted langurs may be threatened by degraded or unsuitable habitat conditions. This study aims to analyse the characteristics and components of white-fronted langur habitat and to analyse the suitability of white-fronted langur habitat in the Cantung watershed area of Kota Baru district, South Kalimantan. The research was conducted in September-October 2021. Data collection using the roaming method.This study concluded that there were 31 habitat distribution points with 72 individuals of white-fronted langurs observed. White-fronted langurs in the Cantung watershed area were found at an altitude of 5-85 m above sea level, optimal temperature of 20°-32°C, humidity of 78-95%, distance from water sources 200-500 m, distance from roads <200-600 m, locations with plantation land cover, dry land agriculture, mixed gardens and mining. The suitability of white-fronted langur habitat in the Cantung Watershed Area based on 6 habitat components shows the highest scoring value of 3 (high level of suitability).
DAYA TAMPUNG SETTLING POND TERHADAP BEBAN PENCEMARAN TOTAL SUSPENDED SOLID DARI LIMBAH BATUBARA PT. JORONG BARUTAMA GRESTON Tresnawati, Nina; Asmawi, Suhaili; Kissinger, Kissinger; Fauzana, Noor Arida
EnviroScienteae Vol 20, No 2 (2024): ENVIROSCIENTEAE VOLUME 20 NOMOR 2, MEI 2024
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/es.v20i2.19383

Abstract

The impact of the mining process including the emergence of Total Suspended Solids (TSS), either directly or indirectly can disrupt the life of aquatic biota, damage environmental sustainability, and threaten the welfare of humans who depend on the water for various daily purposes. To reduce the burden of pollution on water bodies due to coal mining waste, one of the technologies often chosen is the Wastewater Management Plant (WWTP) system, which generally involves the use of settling ponds. This study aims to analyze the total suspended solids in the settling pond, analyze the total suspended solid capacity, and compile recommendations for total suspended solid management efforts to meet environmental quality standards. The total suspended solids (TSS) values in October and November measurements at the inlet were 339.00 mg/l and 712.00 mg/l while the outlet decreased to 42.50 mg/l and 55.00 mg/l. The total suspended solid (TSS) value during the measurement period of January – December 2023 shows that the TSS value at the inlet and outlet for 12 months shows a value below the quality standard. The first settling pond with a capacity of 15,000 m, and the second to sixth settling ponds have a capacity of 3,000 m3  each. To maintain the capacity of the settling pond at around 60% of its maximum capacity, the volume of TSS deposited ranges from 9,000 m3, while in the second to sixth settling ponds, the volume of TSS deposited each ranges from 1,800 m3.
DAYA DUKUNG LINGKUNGAN HIDUP BERBASIS JASA EKOSISTEM PENYEDIA AIR DAN PANGAN DI KABUPATEN HULU SUNGAI UTARA Rizkon, Muhammad; Kadir, Syarifuddin; Kissinger, Kissinger; Ridwan, Ichsan
EnviroScienteae Vol 20, No 1 (2024): ENVIROSCIENTEAE VOLUME 20 NOMOR 1, FEBRUARI 2024
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/es.v20i1.18880

Abstract

The population growth in Hulu Sungai Utara District has led to an unsustainable exploitation of natural resources, negatively impacting environmental quality. This study aims to analyze the environmental support of ecosystem services, specifically focusing on water and food provision in the region. The analytical method involves calculating indicative environmental support based on ecosystem services. It includes the classification of ecoregion characteristics (landscapes and natural vegetation types), land cover assessment, and the creation of service/performance maps using the Simple Additive Weighting method. The results indicate a predominance of high to very high categories in the ecosystem service of water provision, covering 71.77% of the total area. Similarly, the ecosystem service of food provision is characterized by moderate to very high categories, with the moderate category covering 30.13%, the high category covering 36.32%, and the very high category comprising 24.83% of the total area in Hulu Sungai Utara District. These findings provide crucial insights for policymakers and local communities to formulate informed strategies and policies for sustainable water and food resource management.
PENYUSUNAN RENCANA PROGRAM KEMITRAAN KONSERVASI MENGGUNAKAN METODE PENDEKATAN PARTICIPATORY CONSERVATION PLAN (PCP) DI TAMAN WISATA ALAM PELAIHARI Saputra, Debi Imam; Kissinger, Kissinger; Satriadi, Trisnu; Aryadi, Mahrus
Jurnal Hutan Tropis Vol 12, No 3 (2024): Jurnal Hutan Tropis Volume 12 Nomer 3 Edisi September 2024
Publisher : Lambung Mangkurat University-Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jht.v12i3.20548

Abstract

This study aims to determine the preparation of conservation partnership program planning in TWA Pelaihari. The method used in this study is descriptive with a qualitative approach which is described in a descriptive form, by describing the preparation of the conservation partnership program planning obtained from observations, interviews, literature studies, documentation and FGD (Focus Group Discussion). Data analysis used Participatory Conservation Plan (PCP) analysis. The results of the analysis of factors/activities that affect the system in the Pelaihari TWA area in the first rank (I) are occupied by tree logging activities where the disturbance value (C) is 61, a percentage of 35.9% where tree logging activities carried out by the community are very widespread, the second rank (II) is occupied by the waste factor where the disturbance value (C) is 40, a percentage of 23.5%, this is due to the presence of visitors, both local and visitors from outside, who bring garbage into the Pelaihari TWA area and the third rank (III) is occupied by natural factors where the disturbance value (C) is 25 with a percentage of 14.7%, this is due to the influence of the tides and seawater which results in damage to the ecosystem in the Pelaihari TWA area. Preparation of a conservation partnership plan based on a participatory conservation planning process involving elements of the community, village government and the South Kalimantan BKSDA where the strategy formulated supports the success of the conservation partnership program.
KAJIAN PARAMETER KIMIA, FISIK DAN MIKROBIOLOGI SEBAGAI BAHAN BAKU AIR MINUM DALAM KEMASAN (AMDK) DI BALAI PENGELOLA AIR MINUM BANJARBAKULA Sahputra, Wahyundi; Kissinger, Kissinger; Sofarini, Dini; Rukmini, Rukmini
EnviroScienteae Vol 20, No 4 (2024): ENVIROSCIENTEAE VOLUME 20 NOMOR 4, NOVEMBER 2024
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/es.v20i4.20695

Abstract

Penelitian ini bertujuan untuk mengevaluasi kualitas air minum dari segi parameter kimia, fisik, dan mikrobiologi di Balai Pengelola Air Minum (BPAM) Banjarbakula sebagai bahan baku untuk Air Minum Dalam Kemasan (AMDK). Sampel air diambil dari dua titik, yaitu clearwell dan reservoir, dan diuji untuk mengetahui apakah memenuhi baku mutu yang ditetapkan dalam Peraturan Menteri Kesehatan No. 2 Tahun 2023. Hasil penelitian menunjukkan bahwa parameter fisik, seperti suhu dan TDS, serta parameter kimia, seperti pH dan logam berat, berada dalam batas baku mutu yang diizinkan. Namun, ditemukan masalah pada parameter kekeruhan air di clearwell yang melebihi batas 3 NTU serta konsentrasi sisa klor di reservoir yang melebihi standar 0,9 mg/L. Untuk parameter mikrobiologi, ditemukan adanya kontaminasi Escherichia coli 15 CFU/100ml dan Total Coliform >200 CFU/100ml di clearwell. Rekomendasi yang diajukan meliputi peningkatan sistem filtrasi dan kontrol desinfeksi untuk memastikan kualitas air tetap sesuai standar yang berlaku atau menggunakan teknologi Reverse Osmosis yaitu suatu teknologi pemurnian air yang paling modern.
ANALISIS KARAKTERISTIK SISTEM AGROFORESTRI LAHAN GAMBUT DI KELURANGAN KALAMPANGAN Nurlyanti, Arief; Arifin, Yudi Firmanul; Kissinger, Kissinger
Jurnal Hutan Tropis Vol 12, No 4 (2024): Jurnal Hutan Tropis Volume 12 Nomer 4 Edisi Desember 2024
Publisher : Lambung Mangkurat University-Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jht.v12i4.21443

Abstract

Destruction of forests and peat swamp lands in Indonesia is currently continuing, while restoration efforts have not yet produced real and satisfactory results. The rate of recovery of the peat ecosystem has still not been able to catch up with the rate of damage, which is increasingly worrying, especially due to fires that occur almost every dry season. This condition also occurs in Central Kalimantan Province, where peat ecosystem degradation has reached more than 35%. This research was conducted in Kalampangan Village, Sabangau District, Palangkaraya City, Central Kalimantan Province which is included in the Kahayan-Sebangau Peat Hydrological Unity (KHG) area. The methods used in this research were field observations, sampling in the field, making measuring plots (PU), interviews, key informants, research reports, journals, maps from the Central Kalimantan Provincial Forestry Service, data from the Central Statistics Agency. The results of the research are that the agroforestry system developed by farmers in Kalampangan Subdistrict can be classified into 6 (six) categories, namely: (1) agrisilviculture, with 4 (four) planting patterns; (2) agrosilvofishery, with 3 (three) planting patterns; (3) silvopasteur, with 3 (three) planting patterns; (4) agrofishery, with 1 (one) cultivation pattern; (5) apiculture, with 2 (two) cultivation patterns; and (6) Agropasturasilvofishery. One of the important components of the agroforestry system that has been developed by farmers in all peatland physiographies is fruit plants. The types of fruit plants that farmers have cultivated in each peatland physiography can be combined with experiences from other peat areas.
KEANEKARAGAMAN VEGETASI PADA SISTEM AGROFORESTRI DUKUH DI DESA BIIH KABUPATEN BANJAR KALIMANTAN SELATAN Davita, Almira; Kissinger, Kissinger; Syam'ani, Syam'ani
Jurnal Sylva Scienteae Vol 7, No 5 (2024): Jurnal Sylva Scienteae Vol 7 No 5 Edisi Oktober 2024
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jss.v7i5.9383

Abstract

In order to support the development and management of agroforestry in the hamlet, it is necessary to understand the ecological conditions and vegetation structure through this research. The objective of this study is to analyze the dominance, species diversity, and evenness of vegetation in the agroforestry system of the hamlet in Biih Village. Data collection was conducted using vegetation analysis techniques with a combination of transect and plot methods, employing purposive sampling along transects in agroforestry areas located behind or adjacent to residential areas. Vegetation data were analyzed using the Importance Value Index, Species Diversity Index, and Species Evenness Index. The research findings reveal that the plant species composition in the agroforestry system of the hamlet consists of 27 species from 19 families, with a total of 671 individuals. The dominant species include Teratat, Porang, Pepper, and Lombok at the understory level, Rubber, Coffee, and Jengkol at the seedling stage, Rubber, Langsat, and Cempedak at the pole stage, Langsat, Rubber, Sungkai, and Gamal at the pole stage, and Durian, Cempedak, Rubber, and Langsat at the tree stage. The species diversity and evenness at all growth stages are classified as moderate, indicating a relatively stable ecosystem, with high evenness or nearly equal distribution.Guna mendukung pengembangan dan pengelolaan agroforestri dukuh perlu diketahui kondisi ekologi dan struktur vegetasi melalui penelitian ini. Tujuan dari penelitian ini adalah untuk menganalisis dominansi, keanekaragaman dan kemerataan jenis vegetasi agroforestri dukuh di Desa Biih. Pengambilan data menggunakan teknik analisis vegetasi dengan metode kombinasi jalur berpetak dengan penempatan jalur secara purposive sampling dan lahan agroforestri dukuh yang menjadi objek penelitian dibelakang atau berdekatan dengan kawasan pemukiman. Data vegetasi dianalisis menggunakan Indeks Nilai Penting, Indeks Keanekaragaman Jenis dan Indeks Kemerataan Jenis. Hasil penelitian menunjukkan komposisi jenis tumbuhan yang ditemukan pada kawasan agroforestri dukuh terdiri dari 27 jenis, 19 famili dan 671 individu yang didominasi oleh jenis teratat, porang, lada dan Lombok pada tumbuhan bawah, jenis karet, kopi dan jengkol pada tingkat semai, jenis karet, langsat dan cempedak pada tingkat pancang, jenis langsat, karet, sungkai dan gamal pada tingkat tiang dan jenis durian, cempedak, karet dan langsat pada tingkat pohon. Indeks keanekaragaman dan kemerataan pada semua tingkat pertumbuhan tergolong kedalam tingkat keanekaragaman jenis sedang atau ekosistem yang stabil dengan kemerataan tergolong tinggi atau hampir merata penyebarannya.
PENGGUNAAN DAUN GALAM (Melaleuca cajuputi) SEBAGAI BAHAN OLAHAN PERMEN BAGI KOMUNITAS PENGOLAH JAJANAN TRADISIONAL Kissinger Kissinger; Setia Budi
JURNAL PENGABDIAN AL-IKHLAS UNIVERSITAS ISLAM KALIMANTAN MUHAMMAD ARSYAD AL BANJARY Vol 10, No 1 (2024): AL-IKHLAS JURNAL PENGABDIAN
Publisher : Universitas Islam kalimantan MAB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31602/jpaiuniska.v10i1.9939

Abstract

ABSTRAKDaun galam (Melaleuca cajuputi) dari lahan gambut berpotensi dapat dimanfaatkan sebagai bahan pembuatan permen. Kegiatan pengabdian kepada masyarakat tentang pemanfaatan daun galam sebagai bahan olahan permen dilakukan terhadap mitra komunitas pengolah jajanan tradisional di desa Gambut Kecamatan Gambut Kabupaten Banjar Kalimantan Selatan. Kegiatan ini selain dapat meningkatkan pendapatan mitra, juga merupakan langkah kongkret dalam meningkatkan keperdulian untuk kegiatan konservasi lahan gambut. Transfer iptek yang dilaksanakan dalam pengabdian ini menggunakan metode penyuluhan dan demonstrasi tentang pemanfaatan daun galam yang banyak terdapat disekitar lokasi Mitra. Demonstrasi pembuatan permen daun galam dan pembuatan packaging dilakukan terhadap mitra. Evaluasi dilakukan terhadap kemampuan pemahaman dan keterampilan dari mitra. Hasil evaluasi tentang sosialisasi manfaat galam untuk kesehatan adalah 12 orang memahami manfaat daun galam. 14 orang memahami tentang proses penyiapan bahan dan pembuatan ekstrak air dari daun galam. Hasil evaluasi pemahaman tentang peluang usaha pembuatan permen adalah sebanyak 8 orang.  Hasil evaluasi lainnya didapatkan 10 orang memahami proses pembuatan permen dari daun galam.  8 orang yang mampu membuat permen dari daun galam dan 14 orang mampu membuat packaging produk. Hasil yang didapatkan secara keseluruhan mengindikasikan terpenuhinya target pemahaman dan penguasaan keterampilan tentang pengabdian oleh mitra.
Co-Authors Abdi Fithria Abdi Fithria Abdi Fithria Abdi Fithria Abdi Fitria Abdullah Abdullah Achmad Syauqie Ahdyannor, Muhammad Isra Ahmad Jauhari Ahmad Jauhari Ahmad Mujaffar Ahmad Rizal Ahmad Yamani Ahmad Yamani Ajeng Dian Utami Akhmad Kurnain Akhmad Rizalli Saidy Aldha Alfian Noer Dwi Ana Wahdiana Anggi Nur Priosejati Anisah Fitri Nasution Arfa Agustina Rezekiah Arief R. M. Akbar Arif Sholahuddin Asmawi, Suhaili Badaruddin Badaruddin Badaruddin Badaruddin Bambang Joko Priatmadi Basir Achmad Basir Achmad Budi Sutiya Budimansyah Budimansyah Cahyaningsih, Putri Camsudin, Luhur Pribadi Cecep Gunawan Chindy Ade Eriesta Danang Biyatmoko Daniel Itta Darmaji Darmaji Darusman Darusman Darusman Darusman Davita, Almira Dini Sofarini Dionisius Marhaen Gloi Murin Eko Rini Indrayatie Elsa Lenia Lefi Emmy Sri Mahreda Emmy Sri Mahreda Emmy Sri Mahreda Emmy Sri Mahreda Emmy Sri Mahreda Ervizal A.M. Zuhud Eva Ariani Evrizal AM Zuhud Evrizal AM. Zuhud Fathur Raihan Fathur Raihan Fathurrahman Fathurrahman Fatmawati Fatmawati Fatmawati Fatmawati Fatmawati Fatmawati Fauzana, Noor Arida Fitria Azizah Fonny Rianawati Gadis Yuniar Paradika Gt. Muhammad Hatta Gusti AR Thamrin Gusti Muhammad Hatta Gusti Muhammad Hatta Gusti Muhammad Hatta Gusti Syeransyah Rudy Hafizianor Hafizianor Hafizianor Hafizianor Hamdani Hamdani Fauzi Hanna Najmia Heni Nopita Sari Hilda Susanti Husni Mubaraq Ichsan Ridwan Indra Febriandana Indra Saputra Irwansyah Noor Iskandar Iskandar Iskandar Iskandar Iskandar Z.Siregar Laksono, Eko Setyo Latifah K Latifah K. Darusman Latifah Latifah Lina Tabitha Mandala Lisda Rahmadanisa Mahmud Mahmud Mahriana Mahriana Mahrus Aryadi Mahrus Aryadi Marchal Susanto Meichia Meichia Mochamad Arief Soendjoto Mochamad Arief Soendjoto Muhammad Abdul Qirom Muhammad Damiri Muhammad Helmi Muhammad Rizkiansyah Muhammad Ruslan Muhayyah, Rina Ni Wayan Suyanti Nina Tresnawati Noby Ade Yusevi Noor Arida Fauzana Noor, Ahmad Sugian Nurlyanti, Arief Nuruk Aina Olivia Pascallina Depriyanti Rahmat Hapizil Islami Rina Kanti Rina M.N. P. Rina Muhayah Noor Pitri Rina Muhayah Noor Pitri Rina Muhayyah Ringkas Lelunuto Rismauly Paskayanti Rizkon, Muhammad Rizqi Puteri Mahyudin Rizqi Putri Mahyudin Roffi Meidisawarman Rudianto Rudianto Rukmini Rukmini Sahputra, Wahyundi Saputra, Debi Imam Sari Aulia Azizah Setia Budi Setia Budi Peran Siti Aisyah Hidayati Siti Fatimah Evayanti Situmorang, Tika Meilany Sunardi, Ph.D., Sunardi Suryajaya Suryajaya Suyanto - Suyanto Suyanto Syahiful Hadi Syaifuddin Syaifuddin Syam'ani, Syam'ani Syamani D. Ali SYARIFUDDIN KADIR Syarifuddin Kadir Thamrin, Gusti AR Tri Ani Windawati Trisnu Satriadi Violet Violet Wahyuni Ilham Winda Aryani Prasetyo Wiwin Tyas Istikowati Yudi Firmanul Arifin Yusanto Nugroho Yusanto Nugroho Yusuf Yuliadi Yusveni Farizarakhmi Zainal Abidin Zainal Abidin Zainuddin, Zainuddin