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All Journal Indonesian Journal of Geography Jurnal Natur Indonesia Jurnal Perikanan dan Kelautan Berkala Perikanan Terubuk Jurnal Ilmu Lingkungan JIP (Jurnal Industri dan Perkotaan) Jurnal Kajian Lingkungan Jurnal Ilmu Perairan (Aquatic Science) Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan JURNAL ENGGANO Dinamisia: Jurnal Pengabdian Kepada Masyarakat Riau Journal of Empowerment Asian Journal of Aquatic Sciences Jurnal Pengabdian Masyarakat Teknik International Journal of Electrical, Energy and Power System Engineering (IJEEPSE) Unri Conference Series: Community Engagement ECOTONE SIMBIOSA Jurnal Zona Journal of Coastal and Ocean Sciences Journal of Rural and Urban Community Empowerment Kutubkhanah Jurnal Penelitian Sosial Keagamaan SEHATI: Jurnal Kesehatan Dinamika Lingkungan Indonesia Journal of Community Engagement Research for Sustainability Bhakti Nagori (Jurnal Pengabdian kepada Masyarakat) INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY Indonesia Journal of Social Responsibility Review (IJSRR) Jurnal Perikanan dan Kelautan Jurnal Natur Indonesia
Aras Mulyadi
Universitas Riau
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Medicine & Pharmacology Nursing Physics Public Health Social Sciences Transportation Other

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TOXICITY OF SEA GRASS EXTRACT (Eucheuma cottonii AND Gracillaria sp) TO LARVA Artemia salina Putra, Danil; Mulyadi, Aras; Zulkifli, Zulkifli
Asian Journal of Aquatic Sciences Vol. 4 No. 2 (2021): August
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

Seaweed is a source of foreign exchange, namely as the main export product and a source of income for coastal communities. Previous research on species Eucheuma cottonii and Gracillaria sp contain bioactive compounds that can be used in medicine, for example as anti-cancer. The purpose of this study was to determine the LC50 value and safe concentration of Artemia salina larvae. The research was conducted at the Chemical Oceanography Laboratory of the Department of Marine Sciences, Faculty of Fisheries and Marine, Riau University in July 2020. The method used in this research is the experimental method. The results of the research on the toxicity of the n-hexane extract of seaweed E. cottonii and Gracillaria sp had bioactivity compounds against A. salina shrimp larvae, indicated by a small LC50 value (<1000 ppm), namely 62.62 ppm for E. cottonii and 83.55. ppm for Gracillaria sp, so it is included in the toxic category. According to research by experts, if the extract or compound tested is less than 1000 ppm, it is considered that there is biological activity. For a safe concentration for the survival of A. salina, 6.262 ppm for E. cottonii and 8.355 ppm for Gracillaria sp.
POPULATION CONDITIONS OF ECHINOIDEA AND CORAL REEF COVERS IN PONCAN GODANG ISLAND, SIBOLGA, NORTH SUMATERA Adni, Nailul; Mulyadi, Aras; Thamrin, Thamrin
Asian Journal of Aquatic Sciences Vol. 4 No. 2 (2021): August
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

Poncan Godang Island is included in the appropriate category based on the suitability of land for the Sibolga tourist area, with the presence of tourism activities that can also affect the amount of biodiversity in it. Considering the importance of coral reefs for biodiversity and sea urchins which also have a role in coral reef ecosystems, it is necessary to conduct research on the condition of sea urchins population and the percentage of coral reefs on Poncan Godang Island. Sea urchin and coral reef data were collected using the Line Intercept Transect (LIT) method by monitoring directly on the transect line along 50 meters. The results obtained indicate that the population of sea urchins in the waters of Poncan Godang Island, North Sumatra can be described, that sea urchins do not affect the coral reef ecosystem because at stations 1 and 5 there is no sea urchin and the percentage of coral cover is classified as bad, but at station 3 there are 32 individuals with coral reef cover conditions, while at stations with The percentage of good coral cover is that at station 4 there are only 25 individuals, as well as at station 2 where the percentage of coral cover is higher than station 3 and there are no sea urchins.
Peningkatan Nilai Ekonomi Ekosistem Mangrove Melalui Pengolahan Buah Api-Api (Avicennia sp) sebagai Bahan Makanan Di Desa Sungai Kayu Ara Kabupaten Siak Efriyeldi, Efriyeldi; Mulyadi, Aras; Samiaji, Joko; Nursyirwani, Nursyirwani; Elizal, Elizal
Journal of Rural and Urban Community Empowerment Vol. 1 No. 1 (2019): Desember
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

Hutan mangrove mempunyai peranan yang sangat banyak, yang dapat dikelompokkan menjadi peranan biologi, fisik-kimia dan ekonomis. Buah api-api (Avicennia sp)yang merupakan salah jenis mangrove, mempunyai potensi sebagai bahan baku buat kue yang masih kurang dimanfaatkan. Tujuan pengabdian kepada masyarakat ini adalah: 1. Untuk meningkatkan nilai ekosistem mangrove melalui pengolahan buah api-api sebagai bahan membuat kue di Desa Sungai Kayu Ara Kecamatan Sungai Apit 2. Untuk meningkatkan jenis bahan baku pembuat kue bagi masyarakat sekitar hutan mangrove khususnya, dan 3. Meningkatkan perekonomian masyarakat yang berlanjut meningkatnya kesadaran masyarakat untuk melestarikan ekosistem mangrove di Desa Sungai Kayu Ara Kecamatan Sungai Apit. Hasil kegiatan penyuluhan ini menunjukkan bahwa peserta mengikuti dengan serius mendengarkan materi yang disampaikan oleh tim penyuluh dari awal sampai akhir. Peserta dapat memahami tentang materi yang disampaikan dengan baik dan berperan aktif dalam sesi tanya jawab, diskusi, dan terlibat langsung bersama pemateri dan mahasiswa dalam membuat bolu dan puding. Sebanyak 90 % peserta yang tidak pernah tau buah api-api dapat dijadikan tepung, setelah penyuluhan menjadi semuanya. Peserta yang sebelumnya hanya 15 % mengetahui adanya potensi buah api-api untuk bahan buat kue setelah kegiatan penyuluhan menjadi 100 % paham. Sebanyak 90 % peserta berkeyakinan bahwa dengan meningkatnya nilai ekonomi hutan mangrove, mangrove dapat lestari.
PENINGKATAN PENGETAHUAN DAN KETERAMPILAN KELOMPOK KONSERVASI LASKAR MANDIRI DALAM PEMBIBITAN DAN PENANAMAN BIBIT MANGROVE DI DESA KAYU ARA PERMAI KAB. SIAK Efriyeldi, Efriyeldi; Mulyadi, Aras; Samiaji, Joko; Siregar, Sofyan H.; Elizal, Elizal; Ramadhan, A.R.; Rizki, A.; Yanti, D.H.; Despela, Despela; Sari, D.J.; Rahmita, R.; Ginting, T.B.; Wahyudi, Wahyudi; Desmarina, Y.; Zientika, Zientika
Journal of Rural and Urban Community Empowerment Vol. 2 No. 1 (2020): Desember
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

Hutan mangrove merupakan salah satu ekosistem pesisir yang mempunyai banyak peranan, namun saat ini banyak mengalami kerusakan.Upaya untuk memperbaiki kondisi telah dilakukan melalui penanaman kembali. Kegiatan itu memerlukan bibit mangrove. Tujuan pengabdian kepada masyarakat ini adalah untuk meningkatkan pengetahuan dan keterampilan masyarakat, khususnya anggota kelompok konservasi Laskar Mandiri dalam membibitkan dan menanam bibit mangrove untuk kebutuhan merehabilitasi hutan mangrove yang rusak di Desa Kayu Ara Permai Kecamatan Sungai Apit. Metode yang digunakan dalam melaksanakan kegiatan pengabdian kepada masyarakat ini adalah ceramah, tanya jawab, peragaaan dan praktek tentang semua rangkaian pembibitan dan penanaman bibit mangrove dengan melibatkan secara langsung semua tim pengabdian termasuk mahasiswa kukerta UNRI tahun 2020. Untuk mengetahui pemahaman peserta terhadap materi yang disampaikan dilakukan evaluasi dengan meminta peserta mengisi kuisioner sebelum dan setelah kegiatan dilakukan. Data yang diperoleh dianalisis secara deskriptif. Hasil kegiatan penyuluhan ini menunjukkan bahwa peserta mengikuti dengan serius mendengarkan materi yang disampaikan oleh tim penyuluh dari awal sampai akhir. Hasil evaluasi menunjukkan bahwa peserta sebelum adanya penyuluhan 75 % mengetahui peranan hutan mangrove meningkat menjadi 100 %, sebelum penyuluhan masih ada sekitar 10 % peserta yang belum mengetahui ciri-ciri benih atau buah matang menjadi 100 % setelah penyuluhan. Sebelum kegiatan hanya 80 % peserta yang mengetahui bahwa perlu memilih buah yang bebas hama menjadi 100%. Peserta yang sebelum pelatihan masih ada sekitar 30 % tidak mengetahui dampak kalau bibit putus akarnya waktu penanaman mejadi 95 % mengetahui dampak yang ditimbulkan. Peserta yang sebelumnya masih ada yang tidak tau (10 %) dampak penanaman saat gelombang besar menjadi 100 mengetahui. Semua peserta (100%) di akhir kegiatan pengabdian mengaku kegiatan pengabdian bermanfaat. karena masih ada hal-hal penting yang belum kami pahami.
Coastal Vulnerability Study Dumai City Riau Province Oktaviani, Vivi; Mulyadi, Aras; Mubarak, Mubarak
Jurnal Perikanan dan Kelautan Vol. 28 No. 2 (2023): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

The purpose of this study was to determine the assessment and category of vulnerability level and calculate the parameters that affect coastal vulnerability. The method used is a survey method with direct observation, while the analysis method used is the calculation of CVI, the root of the multiplication of each variable weight. The data required includes primary data by direct observation, and secondary data with data from remote sensing satellites, primary data including coastal geomorphology, land use, tides, and secondary data including DEM (Digital Elevation Mode), coastal slope, shoreline changes, relative water level rise, significant wave height. The results of this study at the observation location obtained 3 categories of vulnerability namely low, high, and very high vulnerability levels found on the Dumai coast. The category of vulnerability in the low class is located in Dumai Barat District in Purnama Village with a value of 4.33-5.00, and the category of vulnerability in the high class is located in Dumai Timur District in Purnama Village grid A2 and A4 at Tanjung Palas grid A12,-A14 with a value of 8.66-10.61, and the category of vulnerability in the very high class is located in Dumai Barat District grid A5-A8, Dumai City District grid A9-A10, and Dumai Timur District in Tanjung Palas Village grid A15 with a value of 12.99-20.00.
The Impact of Sand and Stone Mining on the Width of the Kampar River in Tambang District, Kampar Hadi, Syofian; Budijono, Budijono; Mulyadi, Aras
Jurnal Perikanan dan Kelautan Vol. 30 No. 2 (2025): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.30.2.239-244

Abstract

The Kampar River has enormous benefits for people's lives, including the availability of non-renewable resources such as sand and stone, which are utilized without permission as raw materials for building. The high demand for river sand and stone and modern sand mining technology exacerbate environmental impacts, especially the width of the Kampar River. This study was conducted to determine the impact of changes in river width caused by illegal sand and stone mining activities in the Kampar River. This research uses a quantitative approach with direct observation methods, interviews, and literature studies. This research was conducted from May to August 2024 in Padang Luas Village, Terantang Village, Parit Baru Village, and Kualu Village, Tambang District, Kampar Regency. The results of this study indicate that illegal sand and stone mining activities in the Kampar River cause significant widening of the river, in addition to increasing turbidity and siltation of the river due to cliff collapse. The impact of changes in river width is worst in Parit Baru Village, which has the most mining locations compared to the other three villages. The highest turbidity value is found at station 3, and the shallowest river depth is at station 2. Illegal sand and stone mining has a real negative impact on the environment, especially on the physical condition of the Kampar River, which is marked by the siltation and widening of the river from year to year.
Estimation of Carbon Dioxide Sequestration and Litter Production in Rehabilitated Mangrove Ecosystems Efriyeldi, Efriyeldi; Mulyadi, Aras; Nawari, Nawari
Indonesian Journal of Geography Vol 57, No 1 (2025): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijg.95295

Abstract

The ability of mangrove to sequestrate carbon dioxide (CO2) is becoming part of the methods for climate change mitigation due to the ability of plants to absorb and store CO2 from the atmosphere as biomass. Therefore, this research aimed to estimate CO2 sequestration and litter production by Avicennia alba planted in mangrove rehabilitation area. The data collection method was field observation which was used to measure tree parameters and litter on the observation plot. Tree biomass was estimated using the allometric equation and converted to carbon sequestration. Moreover, a one-way Analysis of Variance (ANOVA) test was applied to assess biomass and litter production differences in the observed stations. Regression analysis was also used to diagnose the relationship between tree diameter, biomass, and carbon sequestration. The results showed that the average biomass and carbon storage at tree level were directly proportional to tree diameter and age. At the stand level, biomass and carbon sequestration in the three stations were not significantly different at the 95% confidence level. It was also observed that stem density affected mangrove biomass. The results showed that more mangrove mortality occurred with older ages at the observed stations and this lowered the stem density and biomass. Furthermore, the relationship between diameter, biomass, and carbon sequestration was directly proportional. Litter production also increased directly with tree age and diameter but the trend was insignificant. The leaf part was found to be the most significant contributor to litter production, and the proportion increased with age and diameter. These results were essential information for future sustainable mangrove rehabilitation plans.Received: 2024-04-02 Revised: 2024-06-21 Accepted: 2025-03-07 Published: 2025-04-28
Analysis of Mangrove Forest Changes Using Satellite Image Data on Rupat Island Agusti, Dinda Roanna; Mubarak, Mubarak; Efriyeldi, Efriyeldi; Rifardi, Rifardi; Mulyadi, Aras; Zulkifli, Zulkifli; Ilahi, Ilham
Jurnal Natur Indonesia Vol. 23 No. 1 (2025): April
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jnat.23.1.50-57

Abstract

Mangrove forest vegetation is spread across several islands in Indonesia, including Rupat Island. Rupat Island is the outermost island in Riau Province, close to Malaysia, and directly faces international waters, namely the Malacca Strait. Rupat Island has two sub-districts, namely Rupat District and North Rupat District. Rupat Island has a very extensive mangrove forest and has a significant contribution. Monitoring changes in mangrove forests is one way of controlling the mangrove forest ecosystem. This research aims to analyze changes in mangrove vegetation area and mangrove density using the MVI algorithm in 2013 and 2023 on Rupat Island, Bengkalis Regency. This research was conducted in the mangrove forest ecosystem on Rupat Island, Bengkalis Regency, Riau Province. The method used in this research is a survey method with observation and field data collection (ground check). Based on image processing results, the area of ​​mangrove vegetation was 13903.03 ha (2013) to 11748.66 ha (2023) and experienced a reduction of 2154.37 ha. Classification based on MVI in sparse density has an area of ​​5872.46 ha (2013), decreasing to 3422.05 ha (2023); medium density has an area of ​​2188.84 ha (2013), increasing to 3334.64 ha (2023), and dense density has an area of ​​5841.73 ha (2013) reduced to 4991.97 ha. Over 10 years, the density of mangrove vegetation has increased in the medium class and tends to decrease in the sparse and dense classes. Based on calculations, the density of mangroves on Rupat Island falls into the tree category, ranging from 1150.00 ind/ha to 1450.00 ind/ha, which is considered good, and the sapling category ranges from 366.67 ind/ha to 1050.00 ind/ha, which is classified as good.
Distribution and Abundance of Blood Shells (Anadara granosa) on the Coast of Concong Luar Village Indragiri Hilir Regency Fadhil, Mohd. Isfan; Mulyadi, Aras; Tanjung, Afrizal
Journal of Coastal and Ocean Sciences Vol. 3 No. 2 (2022): May
Publisher : Department of Marine Science, Faculty of Fisheries and Marine Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

This study was conducted in September 2021, around the coastal of Concong luar village Indragiri Hilir Regency with the aim to find out the abundance, distribution, and morphometrics of blood shell (Anadara granosa). The method used survey methods, in which blood shell sampling and aquatic substrates, as well as measurements of environmental parameters, were conducted in the field and in the laboratory. Determination of sampling location by purposive sampling is based on the character of the environment in the location of the research. Based on the results of research that has been obtained an abundance value at the station 1 = 4,8 Ind/m2, station 2 = 8,7 Ind/m2, and station 3 = 3 Ind/m2. The pattern of blood shell levy in the waters of Concong Luar Village stations 1 and 2 is clustered, while station 3 is evenly distributed. Furthermore, the results of measurement of the width of the highest blood shells are 16 - 30 mm in 70 individuals, followed by size >31 mm in 43 individuals, the lowest measurement result is <15 mm in 27 individuals and the highest measurement of the length of the blood shells 16 – 30 mm of 77 ind, followed by a size >31 mm of 42 ind, and the lowest measurement result is <15 mm of 29 ind.
Analysis of Coastal Line Changes in Coastal Area of the Pantai Cermin and Perbaungan Sub District, Serdang Bedagai District Ramadhan, Alif Ridho; Mubarak, Mubarak; Mulyadi, Aras
Journal of Coastal and Ocean Sciences Vol. 3 No. 2 (2022): May
Publisher : Department of Marine Science, Faculty of Fisheries and Marine Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

This research was conducted in January 2021 in the Coastal Area of ​​ Pantai Cermin and Perbaungan Districts, Serdang Bedagai Regency. The purpose of this study is to analyze shoreline changes from 1985 to 2021 and predict shoreline changes for 2040 in the Coastal Area of ​​ Pantai Cermin and Perbaungan Districts, Serdang Bedagai Regency. The method used is the survey method. The analysis was carried out using the Digital Shoreline Analysis System (DSAS) The results showed that the Coastal Area of Pantai Cermin and Perbaungan District, Serdang Bedagai Regency had experienced 89.62% abrasion and 10.38% accretion. With this, it can be seen that the Coastal Areas of Pantai Cermin and Perbaungan Subdistricts have mostly experienced an abrasion. Oceanographic factors in the waters of the Malacca Strait, such as currents and waves, the existence of poor mangrove forests, sloping water topography, and human activities in every part of the research area. Prediction results of shoreline changes in 2040 the abrasion are 319.1 m, while the accretion is 239.7 m.
Co-Authors ', Agusriadi ', Arfitrah ', Zulkifli AA Sudharmawan, AA Adelina Adelina Adhistie Indah Sari Adiwirman Adiwirman Adiwirman Adiwirman, Adiwirman Adni, Nailul Afrizal Tanjung Agnesia, Yohana Agung Dhamar Syakti Agus Mandar, Agus Agusti, Dinda Roanna Albahri Albahri Alfajri Alfajri Alfajri, Alfajri Alfian Alfian Alfian Alfian Alka, M Abdi Almasdi Syahza Amanda, Yossie Aminuyati Anak Agung Istri Sri Wiadnyani Andewi Rokhmawati Andi Darlianto Andi Yusapri Andreas Situmorang Annisa Al-Qhoshashi Antoni Antoni Antonius &#039; Anwar, Sagita Apriyani Apriyani Arief Rachman. B Audilla Pardova Autika, Yotta Ayu Ade Fatma Dewi Sirait Ayu Septiani Ayu Septiani Azmiada, Zela Azriyenni Azhari Zakri Bahruddin Bayu Putra U Irawan Bintal Amin Bintang Rapshodio Tane Budijono, Budijono Burhan Marbun Chitra Hermawan Chitra Hermawan Dandi Arianto Pelly Danil Rama Putra Darmawati Darmawati Daryono Daryono David M Haryanto David M Haryanto David Raymond Sianturi Deden Sutrisco Nopria Dedi Afandi Denny Mulianto Desi Purnamasari Taher Desmarina, Y. Despela, Despela Dessy Yoswaty Dessy Yoswaty Dessy Yoswaty Djaimi Bakce Djaimi Bakce Doni Apdillah Dyah Endah Astuti Nasution Edi Susilo Eff, Irwan Effendi Sianipar Efriyeldi, Efriyeldi Ela Fitriana Elda Nazriati Elfis Suanto Elizal, Elizal Emirhadi Suganda Endro Siswanto Endro Siswoko Eyka Syahputra Fadhil, Mohd. Isfan Fajriani Ananda Fakhri Fakhri Fauzi, Manyuk Fenti Rozanda Feri Handoyo Pardede Feri Handoyo Pardede Fernando, Muhammad Zebi Ferry Fatnanta Fia Novianty Fiki Harjuni Filio Hara, Filio Firzal, Yohannes Fitriani, Nely Fuadi, Indra Ginting, T.B. Gusfi, Melly Hadinoto Hadinoto Harahap, Anugerah Ramadhan Harahap, Anugrah Ramadhan Hardianto Andita Hardiko, Syefri Haryanto, David M Hasan, Masyhuda Hasbi Tawa Hasyim, Ardhan Fadhlani Hendra Taufik Hendro Ekwarso Heriansyah Pasaribu Hoki kurniawan Hutomo, Ragil Tribhakti Iesje Lukistyowati Ikhma Zurani Ikma Zurani Ilham Ilahi Imam Deisy Mustiono Imam Suprayogi Imran , Imran Imran Imran Inka Wahyuni Irvina Nurachmi Irwan Effendi Ismandianto Jadi Prasmadi Jailani Jailani Januardi, Deki Joko Samiaji Joleha, Joleha Judika Nursiani Sipahutar Jumahat Siregar, Jumahat Karnila, Rahman Karnila Khairul Mukmin Lubis Khairul Mukmin Lubis Khairul Rizal Lee, Seung Hun Lubis, Abdillah Lydia S Marpaung M Fadhilah Zaim Umam Manda Putra, Ridwan Matgus Riadi Mikael H Dolok Saribu Miswadi Miswadi Mubarak &#039; Mubarak Mubarak Mubarak Mubarak Muhammad Abdul Hafiz Muhammad Isnan Alindra Muhammad Rafsan Zain Muhammad Sofyan Muhammad Yevizal Muhammad Zebi Fernando Muhammad Zebi Fernando Muhammad, Andi Syahroni Musrifin Galib Musrifin Ghalib Musrifin Musrifin Nawari Nawari Nawari, Nawari Nenny Indrawaty Nico Rahmadany Niken Ayu Pamukas Ningrum, Indah Puspita Nita Cahyaning Nofrizal Nofrizal Nofrizal Nofrizal Nopriadi Nopriadi Nur Atikah Nurafni, Melia Nurdin Nurdin Nursyirwani, Nursyirwani Octaviaty, Windy Oktarina, Ayu Oliver J Hasibuan Pardede, Feri Pesta Martua Sirait Putra, Danil Putra, Danil Rama Rahmat Karnila Rahmita, R. Ramadhan, A.R Ramadhan, A.R. Ramadhan, Alif Ridho Rasoel Hamidy Reni Suryanita Revi Lasmita Rico Panjaitan Ridwan Manda Putra Rifaldi Rifaldi, Rifaldi Rifardi Rika Kurniawan Rinno Ferryno Risma Tambunan Rizal, Khairul Rizka Aprisanti Rizka Aprisanti Rizki, A. Rohul Mazidah Romie Jhonnerie Rony Setyawan Rossi, Evy Rozanda, Fenti Safitri, Nely Safridatul Audah Salmiah Safitri Sari, D.J. Setyo S. Moersidik Sinaga, Andri Decshana Siregar, Rifa Ghina Aulia Siringoringo, Frido S. Siti Fatonah Sitorus, Kornelius K Sofyan H Siregar Sofyan H Siregar Sofyan H. Siregar Sofyan Husein Siregar Sri Djuniati Sri Rezeki Suandy, Indra Suardi Tarumun Sukendi Sukendi Suryani Suryani Susilawati &#039; Susilo, Hendri Sutrisna Sutrisna Suwondo Suwondo Syafri Boy Syafri Harto Syafruddin Nasution Syahrial Syahrial Syahril Nedi Syofian Hadi T. Ersti Yulika Sari Tane, Bintang Rapshodio Tanty Juliawati Tawa, Hasbi Tengku Nurhidayah Thamrin &#039; Thamrin Thamrin Thamrin Thamrin Thamrin Thamrin Thamrin Thamrin Thamrin Thamrin Trinop Sagiarti TRINOP SAGIARTI, TRINOP Utami, Astri Hijri Verid Aria Susammesin Victor Simanungkalit Viktor Amrifo Vivi Oktaviani Vivi Oktaviani Wahyu Novra Wanda Wahyu Purwanto Wahyudi Wahyudi Wawan Widia Astin Windarti Windarti Wiwi Hardayati Yanti, D.H. Yelmida Azis Yeni Kusumawaty Yeni Sustriani Yetti Elfina Yossie Amanda Yossie Amanda Yoswaty, Des Yulina Sari Yulis Hamidy Yusni Ikhwan Siregar Yusni Ikhwan Siregar Zahrotul Aini Zahrotul Aini, Zahrotul Zahtamal Zahtamal Zientika, Zientika Zulfan Saam Zulfan Saam Zulhendri Zulhendri Zulkarnaini Zulkarnaini Zulkifli Zulkifli Zulkifli Zulkifli