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All Journal Indonesian Journal of Geography Jurnal Ecosolum Journal of Marine Research Media Komunikasi Geografi Jurnal Pariwisata Pesona Jurnal Teknosains Majalah Geografi Indonesia JTSL (Jurnal Tanah dan Sumberdaya Lahan) JURNAL PENELITIAN SAINTIKA Journal of Degraded and Mining Lands Management Forum Geografi GEA, Jurnal Pendidikan Geografi JOURNAL ONLINE OF PHYSICS JLBG (Jurnal Lingkungan dan Bencana Geologi) (Journal of Environment and Geological Hazards) JFMR (Journal of Fisheries and Marine Research) JPKMI (Jurnal Publikasi Kesehatan Masyarakat Indonesia) MAJALAH ILMIAH GLOBE Jurnal Geografi The Jurnal Arsip Rekayasa Sipil dan Perencanaan (Journal of Archive in Civil Engineering and Planning) Proceeding Simposium Nasional Kelautan dan Perikanan Civil and Environmental Science Journal (CIVENSE) Jurnal Penelitian Pengelolaan Daerah Aliran Sungai Forest and Society Jurnal Kebijakan Sosial Ekonomi Kelautan dan Perikanan J SIG (Jurnal Sains Informasi Geografi) ASEAN Journal on Science and Technology for Development Social, Humanities, and Educational Studies (SHEs): Conference Series Pangea : Wahana Informasi Pengembangan Profesi dan Ilmu Geografi Journal of Environmental Science and Sustainable Development Journal of Civil Engineering and Planning (JCEP) Jurnal Penelitian Geografi (JPG) Geosfera: Jurnal Penelitian Geografi Geosfera Indonesia
Djati Mardiatno
Fakultas Geografi, Universitas Gadjah Mada, Yogyakarta
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Analisis Kebijakan Keberlanjutan Budidaya Udang Vaname di Kabupaten Purworejo, Jawa Tengah Airawati, Maria Nooza; Fauzi, Ibnu; Mardiatno, Djati; Khakhim, Nurul
Jurnal Kebijakan Sosial Ekonomi Kelautan dan Perikanan Vol 13, No 2 (2023): Desember 2023
Publisher : Balai Besar Riset Sosial Ekonomi Kelautan dan Perikanan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jksekp.v13i2.12487

Abstract

Udang vaname merupakan komoditas unggul Kabupaten Purworejo. Budi daya ini dilaksanakan oleh masyarakat lokal yang berada di wilayah pesisir Kecamatan Grabag, Kecamatan Ngombol dan Kecamatan Purwodadi. Kegiatan budi daya udang saat ini diakomodir Peraturan Daerah No. 27 Tahun 2011 tentang Rencana Tata Ruang Wilayah Kabupaten Purworejo tahun 2011 - 2031. Budi daya udang vaname menyebabkan sejumlah dampak negatif dengan timbulnya pencemaran limbah. Penelitian ini bertujuan untuk menganalisis permasalahan limbah dari tambak untuk mendukung keberlanjutan usaha budi daya udang vaname. Status keberlanjutan ditentukan berdasarkan lima dimensi yaitu ekologi, ekonomi, sosial, hukum dan kelembagaan serta teknologi. Metode pengumpulan data primer dilakukan dengan survey dan wawancara petambak yang ada di wilayah pesisir kemudian diolah menggunakan RAPFISH MDS. Jumlah responden yang diwawancarai ditentukan berdasarkan teknik sampling yang dikembangkan oleh Issac dan Michael yaitu 182 responden dengan tingkat kesalahan 5% yang kemudian dibagi sesuai dengan proporsi total petambak di 3 kecamatan. Responden dipilih menggunakan metode random sampling. Penelitian dilaksanakan pada Bulan Mei 2021 hingga Bulan Juni 2022. Dimensi yang kurang berkelanjutan menjadi titik berat dalam perumusan kebijakan. Hasil penelitian menunjukkan nilai indeks keberlanjutan usaha budi daya udang vaname di Kabupaten Purworejo sebesar 54,12 dan termasuk kategori cukup berkelanjutan. Dimensi yang statusnya kurang berkelanjutan adalah hukum dan kelembagaan serta teknologi. Untuk menjaga keberlanjutan usaha tambak udang, diperlukan kebijakan yang mengarah pada penguatan dimensi hukum dan kelembagaan berupa upaya mendapatkan kepastian hukum mengenai status tanah tambak serta penggunaan teknologi pengolahan limbah yang efisien dan sederhana. Title: Policy Analysis of Sustainability of Vanammei Shrimp Farming in Purworejo Regency, Central JavaVaname shrimp is a superior commodity in Purworejo Regency. This cultivation is carried out by local communities in the coastal areas of Grabag, Ngombol and Purwodadi Subdistrict. Shrimp cultivation are currently accommodated by Regional Regulation Number 27 of 2011 concerning Purworejo Regency Regional Spatial Planning for 2011 - 2031. Vaname shrimp cultivation causes negative impacts by generating waste pollution. This research aims to analyze the problem of waste from ponds to support the sustainability of vaname shrimp cultivation. Sustainability status is determined based on five dimensions, namely ecological, economic, social, legal institutional and technological. The primary data collection method was carried out by surveying and interviewing farmers in coastal areas and then processing it using RAPFISH MDS. The number of respondents interviewed was determined based on the sampling technique developed by Issac and Michael, namely 182 respondents with an error rate of 5%, which was then divided according to the total proportion of farmers in the three sub-districts. Respondents were selected using a random sampling method. The research was carried out from May 2021 to June 2022. The research results show that the sustainability index for vaname shrimp cultivation in Purworejo Regency is 54.12 (quite sustainable category). Dimensions whose status is less sustainable are legal and institutional and technological. To maintain the sustainability of the shrimp farming, policies are needed to strengthen the legal and institutional dimensions to obtain legal certainty regarding the status of pond land and the use of efficient and straightforward waste processing technology. 
KERENTANAN PESISIR PULAU KECIL (STUDI KASUS: PULAU KARIMUNJAWA DAN KEMUJAN) Muhammad, Dzakwan Taufiq Nur; Mardiatno, Djati
JFMR (Journal of Fisheries and Marine Research) Vol. 6 No. 1 (2022): JFMR on April
Publisher : Faculty of Fisheries and Marine Science, Brawijaya University, Malang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2022.006.01.11

Abstract

Pulau Karimunjawa dan Kemujan merupakan pulau kecil yang berpotensi rentan terhadap dampak perubahan iklim. Penelitian ini bertujuan untuk memetakan tingkat kerentanan pesisir terhadap fenomena perubahan iklim. Kerentanan pesisir dipetakan dengan unit analisis tipologi pesisir dan memanfaatkan metode indeks kerentanan pesisir (IKP) yang terdiri dari parameter karakteristik biofisik (geomorfologi, struktur pertahanan pesisir, dan kemiringan lereng gisik / beting gisik), parameter karakteristik tenaga eksternal (ketinggian gelombang signifikan, rentang pasang surut, kenaikan muka air laut relatif, dan perubahan garis pantai), serta parameter karakteristik sosial ekonomi (penggunaan lahan). Hasil penelitian menunjukkan bahwa kelas kerentanan pesisir sangat rendah dengan geomorfologi pesisir bertebing sedang dan kelas kerentanan pesisir rendah dengan geomorfologi pesisir bertebing rendah sebagian besar berada di bagian timur Pulau Karimunjawa, kelas kerentanan pesisir sedang cenderung berada di wilayah kepesisiran yang memiliki penggunaan lahan mangrove, serta kelas kerentanan pesisir tinggi dengan penggunaan lahan perkebunan dan kelas kerentanan pesisir sangat tinggi dengan penggunaan lahan permukiman dan infrastruktur lain cenderung berada di bagian utara Pulau Kemujan.
Scholarly Interest in Forest Fires in Indonesia: A Bibliographical Review Wulandari, Eka; Mardiatno, Djati; Susilastuti, Dewi Haryani; Maryudi, Ahmad
Forest and Society Vol. 6 No. 2 (2022): NOVEMBER
Publisher : Forestry Faculty, Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/fs.v6i2.21473

Abstract

Forest fires in Indonesia have attracted much attention among researchers over the past few decades. This paper aims to systematically map the existing corpus of scientific knowledge on forest fires in Indonesia. The systematic maps visualize which areas of significant activity and indicate specific interests and motives. The systematic analysis is also helpful in improving the understanding of current issues, problems, and challenges. From the scientific database of Scopus, we found 209 peer-reviewed journal articles directly related to forest fires in Indonesia published between 1989 and 2021 (July). In general, the number of publications rose after major fire events, notably in 1997/1998. The El Nino Southern Oscillation (ENSO)-related big fires seem to be the primary driver of more scientific inquiries. The present review shows that although fires occurred throughout the year, they mainly occurred in the dry season, indicating the crucial role of weather even though it is not the direct cause of fire ignition. Our research shows that all types of forest functions in Indonesia have experienced fires, but approximately half of the studied fires occurred in conservation areas. More specifically, previous studies have been more dedicated to secondary forests. The studies generally pointed out that secondary forests are more prone to fires. More than a half of the existing scientific work was looking at human-induced fires, although natural hazards drove that came close. Regarding human-induced drivers, most research was dedicated to the links between fires and the use of fires in land preparation for both small-scale agricultural activities and commercial plantations. The impacts of forest fires have been the most studied topic among scholars on fires in Indonesia. More specifically, the existing research was focused on the ecological/ environmental effects dominated by studies on the impacts of air quality and biodiversity. Interestingly, the existing research rarely addressed other issues, such as local livelihoods and how they adapt to environmental changes.
Flood Assessment through Integrated-Mixed-Method in the Western Downstream Area of Citanduy River Basin, Pangandaran Regency Syafitri, Dyah Rina; Arysandi, Safira Arum; Purboyo, Alvian Aji; Fitri, Amelia; Febriani, Yenni; Tjahyanityasa, Wanda Fitri; Sari, Nila Puspita; Mar'ath, Sitti Khafifatul; Safinatunnajah, Safinatunnajah; Satyaningrum, Aghnia Candra; Rahardjo, Noorhadi; Sudrajat, Sudrajat; Mardiatno, Djati; Rachmawati, Rini
Jurnal Pendidikan Geografi Gea Vol 24, No 1 (2024)
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/gea.v24i1.60691

Abstract

Recurring and intensive flooding occurs in the western downstream area of the Citanduy River Basin (including Kalipucang, Padaherang, and Mangunjaya Districts, Pangandaran Regency) and causes massive losses. Land use Changes, fluctuating weather and climate conditions, as well as countermeasures that have not been maximized, have caused losses continuously. This study aims to describe the latest representation of flood vulnerability distribution in the study area using an integrated-mixed-method, includes: 1) AHP weighting based on expert interviews; 2) land use classification by the random forest algorithm; 3) Flood Hazard Map modeling using weighted overlay; and 4) hazard maps validation and historical flood analysis. The flood vulnerability model uses indicators: rainfall, elevation, slopes, distance from the river, and land use. Geographic Information System based on application (ArcGIS) and could (GEE) are the analytical tools in this study, supported by secondary data, such as 1) Sentinel 2A for land use models, 2) DEM for elevation and slope models, 3) buffer models for river distance and 4) CHIRPS for rainfall. The flood hazard with low and very-low levels is so minimal that it is less visible on the map. While the moderate level of flood hazard class counted as 12.6 Ha, mostly located in the eastern part of the study area (Padaherang and Kalipucang sub-districts).The high-level flood hazard class occupied about 2041.17 Ha, spread over built-up land use. The Very-high hazard class is 22652.11 Ha and mostly located in villages directly adjacent to the Citanduy River.
Analisis Potensi Geowisata Berdasarkan Tipologi Pesisir Di Wilayah Kepesisiran Kota Ende Baru, Maria Theresia Firmina; Mardiatno, Djati; Marfai, Muhamad Aris
Geosfera: Jurnal Penelitian Geografi Vol 2, No 2 (2023): Geosfera: Jurnal Penelitian Geografi
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/geojpg.v2i2.22991

Abstract

Geowisata berdasarkan perkembangan bentuk lahan merupakan salah satu pariwisata alternatif minat khusus yang sangat menjanjikan. Wilayah kepesisiran kota Ende memiliki bentuk lahan dan tipologi pesisir beragam dengan potensi wisata yang menarik, oleh karena itu, tujuan dari penelitian dilakukan untuk menganalisis potensi geowisata pada setiap tipologi pesisir di wilayah kepesisiran kota Ende. Penelitian ini menggunakan metode survei lapangan dan studi literatur. Potensi geowisata pada tipologi pesisir marine deposition coast adalah wisata panorama alam, wahana bermain air dan pasir, wisata perahu dan dayung, wisata kuliner dan wisata paralayang. Potensi geowisata pada kombinasi tipologi pesisir marine deposition coast dan antropogenic coast adalah wisata panorama alam, wisata kuliner, wahana bermain air dan pasir, wisata perahu dan dayung, pemancingan ikan, wisata greenbelt dan wisata sejarah. Potensi geowisata pada tipologi pesisir sub aereal deposition coast adalah wisata panorama alam, wisata rawa, wisata muara. Potensi geowisata pada tipologi pesisir wave erosion coast adalah wisata panorama alam, wisata bermain air dan kolam pemancingan ikan. Potensi geowisata pada tipologi pesisir volcanic coast adalah wisata panorama alam dan wilayah penangkapan ikan. Pengelolaan wilayah kepesisiran kota Ende dengan konsep geowisata berdasarkan tipologi pesisir dapat menjaga kelestarian sumber daya alam pesisir dan memberikan nilai ekonomi bagi pemerintah daerah dan masyarakat lokal.
Dynamics of the aeolian landform at the coastal geosite of Parangtritis sand dune area, Yogyakarta Malawani, Mukhamad Ngainul; Mardiatno, Djati; Mutaqin, Bachtiar Wahyu; Suhendro, Indranova; Setiawan, Nicky; Muharram, Fajrun Wahidil; Rhosadi , Iwan
Journal of Degraded and Mining Lands Management Vol. 11 No. 3 (2024)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2024.113.5839

Abstract

In 2014, Kelud, an active volcano in East Java, ejected ashes (hereafter termed KA; Kelud ash) that reportedly reached as far as Central Java and the Special Region of Yogyakarta (DIY). The KA deposits are observable in, among others, the coastal sand dune area in Parangtritis. Due to the active aeolian process, the KA layers can be found at different depths five years after the eruption. Thus, the KA can be used as a marker of the post-2014 aeolian activities at the Parangtritis dune, which was once classified as a degraded land and later recognized as a coastal geosite, ultimately allowing us to calculate the volume and sand transport rate. The research surveys performed at 25 points discovered volcanic ash layers at 1 cm to 26 cm below the surface. At some observed points, the ash deposits were found on the surface and continuously transported. This research observed an area of 60,000 m2 with an average of 8.5 cm thick sand layers lying above the KA layer. Based on the calculation, the total volume of the transported sand at the Parangtritis sand dune from 2014 to 2019 was approximately 5,100 m3. This volume is considerably small owing to various obstacles in the transport zones. Based on the five-year dynamic of the sand dune, this study suggested that restoration needs to be conducted immediately particularly in eliminating vegetation barriers to maintain the sediment balance (erosion-transport-sedimentation) of the coastal sand dune area.
Microsoft building footprint application To detect human exposure due to tsunami Saragi, Andes; Mardiatno, Djati; Hizbaron, Dyah Rahmawati
Jurnal Teknosains Vol 13, No 1 (2023): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.79526

Abstract

Tsunami events at night are more prone to causing fatalities because humans are resting in residential buildings (houses). In this study, residential buildings were extracted using the Microsoft Building Footprint (MBF), which resulted from applying artificial intelligence technology. This study aims to analyze the number of people exposed to tsunamis at night using MBF. The tsunami modeling was carried out using the Berryman method. Sentinel 2-A Image extracted from Google Earth Engine. The results of the inundation modeling analysis show that the total inundated area is 717 Ha or 17.34% of the total area. The results of the MBF accuracy analysis on the entire data are a Precision of 99.02%, Recall of 98.40%, and F1 score of 98.71%. The results of the MBF error analysis are False Positive 0.97%, False Negative 1.60%, and Intersection of Union 0.12%. The number of people exposed is 2,749, or 6.32% of the total population.
Impact of land use changes on the tsunami hazards in part of coastal Kebumen Pamungkas, Bagus; Mardiatno, Djati; Retnowati, Arry
Jurnal Teknosains Vol 13, No 1 (2023): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.80954

Abstract

This research was conducted to analyze land use change from 2016 to 2022 and their impact on the tsunami hazard zone on the coast of Kebumen Regency. For land use change analysis, remote sensing, geographic information systems (GIS), and statistical tests were applied to Sentinel-2A satellite imagery. The tsunami hazard was simulated using tsunami inundation modeling based on land use spatial data and DEMNAS processed using GIS. Land use changes occurred significantly in the study area, especially in Mirit District. The Southern Cross Road (JJLS) and coastal morphological conditions influence land use change patterns. Land use changes impact changes in the tsunami hazard zone, especially in the use of fir forests and shrimp ponds. The research findings can be used as input for developing a tsunami disaster mitigation plan and detailed spatial planning on the coast of Kebumen Regency.
Penentuan Lokasi dan Jalur Evakuasi Tsunami Berdasarkan Historis Tsunami Gunung Api Anak Krakatau di Pesisir Desa Carita, Banten Mutaqin, Bachtiar W.; Hastiwi, Antika Heni; Pertiwi, Dian; Mardiatno, Djati
Jurnal Lingkungan dan Bencana Geologi Vol 14, No 2 (2023)
Publisher : Badan Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34126/jlbg.v14i2.358

Abstract

Wilayah pesisir Desa Carita di Provinsi Banten merupakan lokasi pariwisata yang rawan akan bencana tsunami, baik yang disebabkan oleh aktivitas lempeng tektonik maupun erupsi gunung api. Pada Desember tahun 2018, wilayah pesisir Desa Carita dihantam tsunami yang dipicu oleh longsoran sebagian tubuh Gunung Api Anak Krakatau sehingga menimbulkan korban jiwa dan kerusakan material yang cukup signifikan. Berdasarkan historis tsunami di Selat Sunda, dilakukan kajian terhadap lokasi dan jalur evakuasi tsunami dengan memanfaatkan data penginderaan jauh dan Sistem Informasi Geografis. Penentuan lokasi dan jalur evakuasi mengacu pada skenario inundasi dengan ketinggian tsunami 5 m dan diidentifikasi menggunakan Google Map. Terdapat tiga bangunan yang dianggap layak untuk dijadikan sebagai lokasi evakuasi yaitu Masjid Jami Al-Barokah, Puskesmas Carita, dan Kantor Kecamatan Carita. Waktu tempuh yang dibutuhkan masyarakat berjalan kaki dari pinggir pantai hingga lokasi evakuasi tsunami berkisar antara 9 hingga 16 menit.Kata kunci: Banten, Carita, evakuasi, inundasi, SIG, tsunami
Tsunami Vulnerability Analysis Based on Coastal Typology in the Coastal Area of Ende City Maria Theresia Firmina Baru; Djati Mardiatno; Muh Aris Marfai
JURNAL GEOGRAFI Vol 16, No 1 (2024): JURNAL GEOGRAFI
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jg.v16i1.45225

Abstract

A tsunami disaster threatens Ende City. Ende City's coastal area management policy regarding disaster mitigation must consider coastal typology. Efforts to reduce the risk of tsunamis must pay attention to the physical development of coastal land to maintain the coastal resources. Therefore, this research aimed to analyze the level of tsunami susceptibility based on coastal typology in the coastal area of Ende City. The methods used in this research are survey and spatial analysis. The survey results were compared with literature studies to determine coastal typology and land use. Spatial analysis uses overlay, scoring, and weighting techniques to produce tsunami susceptibility levels. Geospatial parameters that determine the level of susceptibility are topography, distance from the coastline, slope, distance from rivers, and coastal morphology. Susceptibility analysis is carried out for each coastal typology because each has a different response to tsunami. The research results show five classes of tsunami susceptibility: very susceptibility, susceptibility, somewhat susceptibility, safe, and very safe. Very susceptible areas are marine deposition coast typology, anthropogenic coast typology, and sub-area deposition coast typology. The secure areas are wave erosion coast typology and volcanic coast typology.Keywords: Coastal City of Ende, Coastal Typology, Tsunami, Susceptibility, Land Use.
Co-Authors Ahmad Fauzan Adzima Ahmad Maryudi Airawati, Maria Nooza Alimuddin, Askiyamin Amelia Fitri Ardiati, Aulia Syifa Arry Retnowati Arysandi, Safira Arum Bakti Setiawan Baru, Maria Theresia Firmina Bevaola Kusumasari Christanto, Nugroho Dandun Wacono Deasy Arisanty Denni Susanto Despry Nur Annisa Despry Nur Annisa Dewi Haryani Susilastuti, Dewi Haryani Dian Pertiwi Dina Ruslanjari Djarot Sadharto Djarot Sadharto Dulbahri Dulbahri Dwi Wahyu Arifudiin Najib Dyah Rahmawati Hizbaron Dzakwan Taufiq Nur Muhammad Dzakwan Taufiq Nur Muhammad Eka Wulandari Eko Haryono Evita Hanie Pangaribowo Faiq, Muhammad Faridah Faridah Febriani, Yenni Ferry Dwi Cahyadi Gerarda Orbita Ida Cahyandari Hafiz Fatah Nur Aditya Hairil Adzulyatno Hadini Hanifa, Syifa Hardhoni, Wildhan Dayu Hartono Hartono Hastiwi, Antika Heni Herjuna Wiratama Hizbaron, Dyah Rahmawati Hogy Prima Valeda Ibnu Fauzi Ilham satria Jamulya Jamulya Jayawarsa, A.A. Ketut Johann Stotter Junun Sartohadi Kartini Ali Kelik Eko Susanto Laksono Trisnantoro Lies Rahayu W.F M. Anggri Setiawan M. Anggri Setiawan M. Anggri Setiawan M. Ngainul Malawani Mahron, Hayu Nur Malawani, Mukhamad Ngainul Mar'ath, Sitti Khafifatul Marfai, Muhamad Aris Maria Nooza Airawati Maria Theresia Firmina Baru Maulida Rahmi Mohammad Pramono Hadi Muh Aris Marfai Muh Aris Marfai Muhammad Anggri Setiawan Muhammad Aris Marfa'i Muhammad Budi Muhammad Fauzan Ramadhan Muhammad Rizky Shidiq Nugraha Muhammad, Dzakwan Taufiq Nur Muharram, Fajrun Wahidil Mukhamad Ngainul Malawani Mutaqin, Bachtiar W. Mutaqin, Bachtiar Wahyu Muta’ali, Lutfi Nehren, Udo Nisaa', Ratri Ma'rifatun Noorhadi Rahardjo Novian Andri Akhirianto NURUL HIDAYAH Nurul Khakhim Nurul Khakhim Nurul Khakhim Nurul Khakim Nurwihastuti, Dwi Wahyuni Nuswantara, Galang Riswanda Oktomi Wijaya Pamungkas, Bagus Purboyo, Alvian Aji Rahma, Ayu Dyah Rahmi, Maulida Ratri Ma'rifatun Nisaa' Rhosadi , Iwan Rini Rachmawati Safinatunnajah, Safinatunnajah Samodra, Guruh Saragi, Andes Sari, Nila Puspita Satyaningrum, Aghnia Candra Setiawan, M. Anggri Setiawan, Muhammad Anggri Setiawan, Nicky Sri Rum Giyarsih Suanrto Sunarto Sudrajat Sudrajat Suhendro, Indranova Sunarno Sunarno Sunarto Sunarto Suratman Suratman Suratman Suratman Suratman Worosuprojo Syafitri, Dyah Rina Tiara Handayani Tilova, Ulfa Della Nova Tjahyanityasa, Wanda Fitri Toto Cahyono Totok Wahyu Wibowo Tri Wahyuni, Yubaidah Valentina Arminah W, Lies Rahayu Wildhan Dayu Hardhoni Wiratama, Herjuna Yuli Widyaningsih