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All Journal Jurnal Teknologi Perikanan dan Kelautan Jurnal Ilmu dan Teknologi Kelautan Tropis ILMU KELAUTAN: Indonesian Journal of Marine Sciences BULETIN OSEANOGRAFI MARINA Jurnal Kelautan : Indonesian Journal of Marine Science and Technology Jurnal Kelautan Tropis Jurnal Pengabdian Kepada Masyarakat (Indonesian Journal of Community Engagement) Proceeding of the Electrical Engineering Computer Science and Informatics Journal of Applied Geospatial Information JURNAL ENGGANO Omni-Akuatika OLDI (Oseanologi dan Limnologi di Indonesia) Jurnal Sustainable: Jurnal Hasil Penelitian dan Industri Terapan Jurnal Akuatiklestari Dinamika Maritim Jurnal Intek Akuakultur Jurnal Surya Masyarakat JAST : Jurnal Aplikasi Sains dan Teknologi Jurnal Kelautan Nasional International Journal of Marine Engineering Innovation and Research Jurnal Surya Masyarakat Journal of Maritime Empowerment Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) Jurnal Pengabdian Kepada Masyarakat Meambo Journal of Fisheries & Marine

Risandi Dwirama Putra

Universitas Maritim Raja Ali Haji

Author-ID : 805614

Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Transportation Other

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ANALISIS DIGITAL CITRA LANDSAT UNTUK DETEKSI PERUBAHAN GARIS PANTAI TRIKORA KABUPATEN BINTAN Ichsan, Rafiqul M; Jaya, Yales Veva; Putra, Risandi Dwirama; Suhana, Mario Putra
Dinamika Maritim Vol 7 No 1 (2018): Dinamika Maritim, Vol. 7 No. 1, August 2018
Publisher : Pusat Penelitian Sumberdaya Pesisir dan Laut, Universitas Maritim Raja Ali Haji, Indonesia

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Trikora beach is a coastal area with a diverse set of potential in Bintan. Remote sensing is a technique of detection of an object with a high efficiency level. Information changes the shoreline is required to review the management of the territory. Research on probe coastline changes using Landsat satellite imagery with combine method of Single Band 5 Threshold and Band Ratio the calculate of changes the coastline by Digital Shorline Analysis System. Final results of calculation changes accretion of Trikora coastline caused by the influence of human activity such as infrastructure development and changes of the land function this occurs most obviously seen in the period of the year 1995-2005. The abrasion phenomena for the Trikora Beach caused by natural factors such as wave, changes in the pattern of currents, tidal variations and climate change, this happened during on 1990-1995 years.

PEMETAAN ZONA POTENSIAL PENANGKAPAN IKAN BERDASARKAN CITRA SATELIT AQUA/TERRA MODIS DI PERAIRAN SELATAN PULAU JAWA Munthe, Masri Ginting; Jaya, Yales Veva; Putra, Risandi Dwirama
Dinamika Maritim Vol 7 No 1 (2018): Dinamika Maritim, Vol. 7 No. 1, August 2018
Publisher : Pusat Penelitian Sumberdaya Pesisir dan Laut, Universitas Maritim Raja Ali Haji, Indonesia

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Remote sensing is technique to observe oceanographic parameters such as sea surface temperature and chlorophyll-a concentration without contact with objects. Remote sensing techniques have excellence ability in analyzing large area and resolve to take retrieval data is more efficient. Remote sensing can combined with geographical information system to determine the potential fishing zone (ZPPI). The southern sea of Java Island is potential fishing areas in Indonesia. The purpose of this study to determine potential fishing zone by observe condition the seas which habitat species using the parameters of sea surface temperature (SPL) and chlorophyll-a concentration (CHL) parameters. Sea surface temperature and chlorophyll-a concentration are important parameters for identify potential fishing zones. The method used in study analysis of sea surface temperature and chlorophyll-a concentration using AQUA/TERRA MODIS satellite imagery data processed on ENVI, ErMapper, and ArcGIS software. The sea of South Java are 166 potential fishing zones. spread evenly from Banten to East Java it can be conclude that the southern sea of Java Island are still in good condition and deserve to be potential fishing zone.

Hubungan Persentase Tutupan Karang Hidup dengan Kelimpahan Ikan Indikator Chaetodontidae di Perairan Pengudang, Kabupaten Bintan Adrian, Dino; Kurniawan, Dedy; Putra, Risandi Dwirama
Akuatiklestari Vol 3 No 2 (2020): Jurnal Akuatiklestari
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Ilmu Kelautan dan Perikanan, Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/akuatiklestari.v3i2.2590

Penelitian ini bertujuan untuk memperoleh informasi persentase terumbu karang hidup dan kelimpahan ikan indikator Chaetodontidae beserta hubungannya. Pengambilan data dilakukan dengan menggunakan metode Underwater Photo Transeck (UPT) untuk kondisi terumbu karang dan Underwater Visual Cencus (UVC) untuk ikan chaetodontidae, selanjutnya data karang diolah dengan aplikasi CPCe 4.0. Untuk data ikan Chaetodontidae yang diperoleh dihitung jumlah individu dan diidentifikasi jenis species yang didapati. Lalu untuk melihat hubungan dari persentase tutupan terumbu karang terhadap kelimpahan ikan indikator Chaetodontidae menggunakan regresi linier sederhana. Persentase karang hidup Perairan Pengudang untuk lokasi pengamatan 1 sebesar 54,14% dengan kategori baik, lokasi pengamatan 2 sebesar 52,57% dengan kategori baik, dan untuk lokasi pengamatan 3 sebesar 35,34% dengan kategori sedang. Adapun untuk jenis ikan Chaetodontidae ditemukan yaitu Chaetodon octofasciatus dengan kelimpahan dan Chelmon rostratus. Untuk keterkaitan diketahui bahwa persentasi karang hidup berpengaruh positif terhadap kelimpahan ikan Chaetodontidae dengan total pengaruh sebesar 7,61%, sedangkan 92,39% dipengaruhi oleh faktor lainnya. nilai korelasi ini merupakan nilai korelasi yang sangat rendah.

VARIABILITAS SPASIAL SUHU PERMUKAAN LAUT PULAU BINTAN PROVINSI KEPULAUAN RIAU PADA EMPAT MUSIM BERBEDA Zulfikar, Zulfikar; Jaya, Yales Veva; Pratomo, Arief; Putra, Risandi Dwirama; Suhana, Mario Putra
Dinamika Maritim Vol 6 No 2 (2018): Dinamika Maritim, Vol. 6 No. 2, February 2018
Publisher : Pusat Penelitian Sumberdaya Pesisir dan Laut, Universitas Maritim Raja Ali Haji, Indonesia

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Informasi suhu permukaan laut (SPL) dalam bidang perikanan memiliki peran yang sangat penting. Data SPL ECMWF sangat baik untuk melihat perubahan SPL secara berkala. Selain berpengaruh terhadap aktivitas metabolisme dan perkembangan suatu organisme suhu permukaan laut (SPL) merupakan faktor penting yang mempengaruhi dinamika iklim global. Tujuan dari penelitian ini adalah untuk menganalisis dan memetakan sebaran suhu permukaan laut di perairan Pulau Bintan. Metode penelitian ini menggunakan analisis suhu permukaan laut secara temporal berdasarkan fluktuasi SPL bulanan dan musiman dalam bentuk grafik deret waktu, dan analisis spasial berdasarkan visualisasi peta sebaran rata-rata SPL musiman. Hasil penelitian menunjukan bahwa variasi temporal SPL tahun 2015-2016 di perairan Pulau Bintan cenderung mengalami peningkatan. Variabilitas nilai SPL di perairan Pulau Bintan dipengaruhi oleh musim, SPL pada musim timur dan musim peralihan barat-timur cenderung lebih tinggi dibandingkan dengan SPL pada musim barat dan musim peralihan timur-barat. Sebaran spasial SPL di perairan dekat pesisir cenderung lebih tinggi dibandingkan dengan SPL di perairan jauh pesisir atau lepas pantai. Secara spasial, perairan dekat pesisir memiliki suhu yang lebih tinggi dibandingkan dengan perairan lepas pantai. Suhu permukaan laut di perairan Pulau Bintan juga cenderung mengalami fluktuasi berdasarkan musim. Pada musim peralihan barat-timur dan musim peralihan timur rata-rata suhu permukaan laut cenderung lebih tinggi dan sebaliknya pada musim barat dan musim peralihan timur-Barat rata-rata suhu permukaan laut cenderung mengalami penurunan.

TINGKAT KERENTANAN PESISIR DI UTARA DAN TIMUR PULAU BINTAN PROVINSI KEPULAUAN RIAU TAHUN 2020 Mario Putra Suhana; Risandi Dwirama Putra; Leica Febby Shafitri; Muhamad Muliadi; Khairunnisa Khairunnisa; I Wayan Nurjaya; Nyoman Metta N. Natih
Jurnal Teknologi Perikanan dan Kelautan Vol 11 No 1 (2020): MEI 2020
Publisher : Fakultas Perikanan dan Ilmu Kelautan

Coastal areas are unique, dynamic, and complex because they are zones of interaction between land, oceans, and atmosphere. This makes coastal areas the most vulnerable areas on Earth. To find out how big the vulnerability is in a coastal area, a study is needed to determine the vulnerability level of coastal areas and the influencing factors. Research on the coastal vulnerability level at this location was conducted in 2016 and it was concluded that the coastal vulnerability level is in the medium category. With the development of potential utilization in the area, it is necessary to conduct similar research in 2016 to find out if there is a change in vulnerability level between 2016 and 2020. The data used consisted of coastal geomorphology, tidal, Landsat 7 ETM+ and 8 OLI, sea level rise and DEM satellite imagery. Data analysis using Coastal Vulnerability Index (CVI) method. The results showed the coastal vulnerability level at the research site was in the low-medium category, with a CVI score range of 9,93-25,86. Topography, geomorphology, intensity of shoreline changes, and coastal slope are factors that can cause the vulnerability level at the research site can be very high. However, the interconnectedness between other parameters can inhibit the high level of vulnerability, making the level of coastal vulnerability at the research site to be only in the low-medium category. There was a change in vulnerability level conditions between 2016 and 2020 the level of vulnerability at the east coast decreased to a low category.

The Pattern of Herbivorous Fish Assemblages in The In Western and Eastern Outermost Island Indonesia Risandi Dwirama Putra; Rikoh Manogar Siringoringo; Muhammad Abrar; Ni Wayan Purnamasari; Agung Dhamar Syakti
Journal Omni-Akuatika Vol 16, No 2 (2020): Omni-Akuatika November
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.oa.2020.16.2.805

The herbivorous fishes have been considered as a critical functional group and have capability maintaining coral reef resilience and avoiding coral-algal phase-shifts. The present condition shown, almost in tropical reef location, alga has dominated coral, even in the small outer island. The requirement to conduct comprehensive basic research in studying the patterns and composition of herbivorous fish, especially on the small outer islands. Twelve coral reef sites in eastern Indonesia (Liki Islands) and western Indonesia (Natuna Island) used as a research location for comparing the structure patterns of herbivorous fish communities (diversity, density, and body size) using the Underwater Visual Census (UVC) method. There was different pattern of herbivorous fishes families in Liki Island and Natuna Islands, where Acanthuridae is dominant in eastern Indonesia (Liki Islands), including Ctenochaetus striatus (41,00 ± 11,72 se) individuals/350m2, A. maculiceps (23,33 ± 13,61 se) individuals/350m2, Naso hexacanthus (18,67 ± 6,34 se) individuals/350m2 while Scaridae is dominant in western Indonesia (Natuna island), including Scarus rivulatus (31,67 ± 10,61 se) individuals/350m2, Chlorurus sordidus (30,00 ± 8,52 se) individuals/350m2 and Scarus quoyi (19,00 ± 9,73 se) individuals/350m2. Based on herbivore fishes composition Liki Island has a higher density and biomass compared to Natuna Island.Keywords: herbivore, fish, coral, small outer island, Indonesia

Relationship of Distribution Seagrass Species with Dugong (Dugong dugon) Sighting at Liki Island-Papua Aditya Hikmat Nugraha; Ilham Antariksa Tasabaramo; Udhi E Hernawan; Susi Rahmawati; Andri Irawan; Juraij Juraij; Muta Ali Khalifa; I Wayan Eka Dharmawan; Risandi Dwirama Putra; Devia Hartono Puteri
Journal Omni-Akuatika Vol 15, No 2 (2019): Omni-Akuatika November
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.oa.2019.15.2.730

Dugong dugon is a herbivorous marine mammal. One of Dugong's favorite foods is seagrass. This study examines the distribution of seagrass species to dugong sighting in Liki Island. The study was conducted in November 2018. Observation of seagrass conditions was carried out using a line transect method and a 50x50 cm transect with a distance interval between 10 m plots. Interviews were also conducted with the community to find out the location of Dugong presence in Liki Island. There are seven species of seagrass found in Liki Island :Enhalus acoroides, Cymodocea rotundata, Thalassia hemprichii, Halophila ovalis, Halodule uninervis, Halodule pnifolia and Syringodium isoetifolium spread over four observation stations. The results showed that Dugong in Liki Island is often found during the eastern season, they often appear in seagrass ecosystem area to do eating activities. Dugong is often found in the eastern part of Liki Island (Station 4) and sometimes also found in the western part of Liki Island (Station 3).Keywords:biodiversity,Dugong dugon, liki, papua, seagrass

Wave Energy Potential for Development of Renewable Energy in Riau Archipelago Province Risandi Dwirama Putra; Ibnu Kahfi Bachtiar; Tri Nur Cahyo; Mario Putra Suhana; Oksto Ridho Sianturi; Rikoh Manogar Siringoringo; Ni Wayan Purnama Sari; Muhammad Abrar; Ani Suryanti; Satria Agust; Agung Dhamar Syakti
Journal Omni-Akuatika Vol 16, No 3 (2020): Omni-Akuatika Special Issue 3rd Kripik SCiFiMaS
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.oa.2020.16.3.857

Energy and electricity demand in Riau Islands is increasing rapidly due to the fast-growing population, urbanization, industrial development, and economic growth. The limitations of energy and electricity in the Riau Islands caused frequent blackouts. To support the high demand for energy and electricity in the Riau Islands, renewable energy is the most suitable alternative energy solution. Renewable energy is not only playing a key role in providing energy but also providing long-term clean and sustainable energy. We investigated the wave energy potential in the Riau Islands Sea in four different consecutive monsoons (North monsoon, East monsoon, South Monsoon and West Monsoon) using ECMWF data during January 2018 to December 2018 with 0.125o x 0.125o and 6 hourly spatial and temporal resolutions. We extracted bathymetry data from NOAA’s database ETOPO1 and forecasting wave characteristics use the SPM (Shore Protection Manual) method. The potential wave energy simulation from significant wave height (Hs) and energy period (Te) was shown in spatial distribution based on different monsoon. Our studies found that the potential wave energy was higher in north monsoon with maximum spatial of wave power density 3.240 – 3.640 kW.m-1. The east monsoon tended to be lower potential wave energy with dominance of wave power density at 0 – 0.127 kW.m-1. Keywords: wave power density, potential wave energy, ECWFM, monsoon

KARAKTERISTIK PASANG SURUT DI PERAIRAN PULAU BINTAN BAGIAN TIMUR MENGGUNAKAN METODE ADMIRALTY K Khairunnisa; Dony Apdillah; Risandi Dwirama Putra
Jurnal Kelautan Vol 14, No 1: April (2021)
Publisher : Department of Marine Sciences, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jk.v14i1.9928

ABSTRACTThis study aims to analyze of tidal in the Eastern Bintan Island waters, including the harmonic constant value, water level elevation and type of tidal. This study used tidal observation data obtained from the Badan Informasi Geospasial (BIG) during 2015-2019. The tidal harmonic constant value is calculated using the Admiralty method, which is one of the harmonic methods that calculates the mean sea level and the sinuoidal function. Admiralty calculations used schemes and tables which are operationalized by Excel software. The water level field observation was carried out in August 2020 with the Tide master instrument. The analysis results obtained 9 harmonic constants which are then used to determine the Formzahl number and water level elevation. Furthermore, the calculation results of harmonic constants and water level elevations are used in tidal forecasting for the next 8 months using Worldtides software. The results showed that the Eastern Bintan Island waters had a tye of Mixed Tide Prevailing Semi Diurnal. Meanwhile, the water level elevation has a Mean High Water Spring (MHWS) of 403.2 cm (SE±3.2), Mean High Water Level (MHWL) of 381.6 cm (SE ± 3.47), Mean Sea Level (MSL) value was 268.2 cm (SE±3.1), Mean Low Water Level (MLWL) was 154.6 cm (SE±2.77) and Mean Low Water Spring (MLWS) was 133 cm (SE±3.1). Tide prediction accuracy test results obtained RMSE value generated at 0.098. These results indicate a small error rate, it can be used as a reference for development planning in the Eastern Bintan Island waters.Keywords: Admiralty, Eastren Bintan Island, Tidal, Water level elevationABSTRAKPenelitian ini bertujuan menganalisis karakteristik pasang surut di Perairan Pulau Bintan Bagian Timur mencakup nilai konstanta harmonik, elevasi muka air dan tipe pasang surut. Penelitian menggunakan data observasi pasang surut yang diperoleh dari Badan Informasi Geospasial (BIG) selama tahun 2015-2019. Nilai konstanta harmonik pasang surut dihitung menggunakan metode Admiralty, yakni merupakan salah satu dari metode harmonic yang perhitungannya melibatkan kedudukan permukaan air laut rata-rata dan fungsi sinuoidal. Perhitungan Admiralty menggunakan bantuan skema dan Tabel yang dioperasionalkan dengan perangkat lunak Excel. Pengamatan lapang tinggi air dilakukan pada Bulan Agustus 2020 dengan instumen Tide master. Hasil analisis diperoleh 9 konstanta harmonik yang selanjutnya digunakan untuk menentukan bilangan Formzahl dan elevasi muka air. Selanjutnya hasil perhitungan konstanta harmonik dan elevasi muka air digunakan dalam peramalan pasang surut untuk 8 bulan kedepan menggunakan perangkat lunak Worldtides. Hasil penelitian menunjukan wilayah peraian Pulau Bintan Bagian Timur memiliki tipe pasang surut campuran condong harian ganda. Sedangkan elevasi tinggi muka air memiliki rerata tinggi muka air pada saat pasang purnama (MHWS) sebesar 403,2 (SE±3,2) cm, rata-rata MHWL sebesar 381,6 (SE±3,47) cm, rata-rata nilai MSL 268,2 (SE±3,1) cm, rata-rata MLWL 154,6 (SE±2,77) cm dan rata-rata MLWS sebesar 133 (SE±3,1) cm. Hasil uji akurasi prediksi pasang surut diperoleh nilai RMSE yang dihasilkan sebesar 0,098. Hasil ini menunjukan tingkat kesalahan yang kecil, dapat digunaan sebagai bahan referensi untuk perencanaan pembangunan di perairan Pulau Bintan Bagian Timur.Kata kunci: Admiralty, Elevasi muka air, Pasang surut, Pulau Bintan Bagian Timur

ESTIMASI KANDUNGAN STOK KARBON PADA EKOSISTEM PADANG LAMUN DI PERAIRAN DOMPAK DAN BERAKIT, KEPULAUAN RIAU Putri Restu Hertyastuti; Risandi Dwirama Putra; Tri Apriadi; Mario Putra Suhana; Fadhliyah Idris; Aditya Hikmat Nugraha
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 12 No. 3 (2020): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jitkt.v12i3.32199

One of the important roles of the seagrass ecosystem is as a carbon sink from the atmosphere. Bintan Island is an area that has a fairly extensive seagrass ecosystem. This study aims to estimate the carbon content of seagrass beds from all types of seagrass and sediments in the waters of Berakit and Dompak, Bintan Island. Determination of potential carbon stock is carried out by looking at the estimated carbon stock in the sediment and biomass of seagrass including the upper part (leaves and midrib) and the bottom of the seagrass (rhizome and roots). Measurement of carbon stock in seagrass sediments was carried out using the dry ashing method (LOI) and the carbon content in seagrass biomass was measured using the conversion method using a constant. The results showed that at the Berakit station the estimated total carbon stock of sediment was 91 Mg Corg ha-1 and 10.58 Mg C/m2 for the estimation of seagrass carbon content, while the Dompak station estimated total carbon stock in the sediment ranged from 103.80 Mg Corg ha-1 and 3.34 Mg C/m2 to estimate the carbon content of seagrass parts. The carbon content in the substrate is influenced by the sediment composition and the carbon content in the seagrass is influenced by the density of the seagrass.

Co-Authors Abdul Alimun Karim Abdul Rahman Ritonga Adih Adih Aditya Hikmat Nugraha Adrian, Dino Agung Dhamar Syakti Alde Vio Verandi Andi Bakia Askara Andri Irawan Ani Suryanti Anton Hekso Yunianto Apriansyah, Firman Arief Pratomo, Arief Asep Mulyono Asep Mulyono Bachtiar, Ibnu Kahfi Bukhari Bukhari Chandra Joei Koenawan Deah, A Dedy Kurniawan Desi Nurlianti Devia Hartono Puteri Dony Apdillah Dwi Septiani Putri Edwin Ghutowo Fadhliyah Idris Frensly Damianus Hukom Hasnarika, Hasnarika Herlanto Sihar Napitupulu Hidayah, Ricky Try Noer Hidayah, Ricky Try Noer I Wayan Eka Dharmawan I Wayan Eka Dharmawan I Wayan Nurjaya Ibnu Kahfi Bachtiar Ichsan, Rafiqul M Ichsan, Rafiqul M Ilham Antariksa Tasabaramo Ilva, Habrio Islam Uzri H.A Ita Karlina Jaya, Yales Veva Jaya, Yales Veva Jumsurizal Jumsurizal Juraij Juraij Khairunnisa Khairunnisa Koto, J. Kurniawan Ramadhan Lubis Leica Febby Shafitri M Ramlan M, Mufti F Marga Raharja, Adyk Mario Putra Suhana MD Jayedul Islam MD Jayedul Islam Muhamad Muliadi Muhammad Abrar Muhammad Abrar Muhammad Abrar Muhammad Abrar Muhd Ridho Baihaque Munthe, Masri Ginting Munthe, Masri Ginting Muta Ali Khalifa Ni Wayan Purnama Sari Ni Wayan Purnamasari Ni Wayan Purnamsari Ni Wayan Purnamsari Nyoman M N Natih Oksto Ridho Sianturi Petrus Christianus Makatipu Pradipta Agustina, Pradipta Prayetno, Eko Putri Restu Hertyastuti Rada, Dwi Cahya Reski Putri Handayani Ricky Try Noer Hidayah Rikoh Manogar Siringoringo Rikoh Manogar Siringoringo Rikoh Manogar Siringoringo Rikoh Manogar Siringoringo Rizki Abdullah Rumapea, Meyliana Anastasya Sapta Nugraha Saputra, H Sarmada, Iqbal Faiz Sarmada, Iqbal Faiz Satria Agust SATRIYAS ILYAS Sinta Junia Wulandari Soedrajad Haryo Adji Soedrajad Haryo Adji Susi Rahmawati Susi Rahmawati T. Ersti Yulika Sari Tri Apriadi Tri Nur Cahyo Try Febrianto Udhi E Hernawan Udhi E Hernawan

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