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All Journal International Journal of Biosciences and Biotechnology Proceedings of Annual International Conference Syiah Kuala University - Life Sciences & Engineering Chapter Proceeding International Conference on Global Resource Conservation Biology, Medicine, & Natural Product Chemistry BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) Jurnal Penelitian Pendidikan IPA (JPPIPA) JMM (Jurnal Masyarakat Mandiri) Ganaya: Jurnal Ilmu Sosial dan Humaniora Martabe : Jurnal Pengabdian Kepada Masyarakat JURNAL AGRICA Jurnal Entomologi Indonesia Jurnal Agronomi Tanaman Tropika (JUATIKA) Jurnal Pembelajaran dan Biologi Nukleus Dinasti International Journal of Education Management and Social Science Community Development Journal: Jurnal Pengabdian Masyarakat AGRISAINS: Jurnal Ilmiah Magister Agribisnis GANDRUNG: Jurnal Pengabdian Kepada Masyarakat Pelita Masyarakat Jurnal Ilmiah Pertanian ( JIPERTA) Yayasan Cita Cendikiawan Al Khwarizmi Journal of Natural Sciences International Journal of Economic, Business, Accounting, Agriculture Management and Sharia Administration (IJEBAS) International Journal of Social Science, Educational, Economics, Agriculture Research, and Technology (IJSET) Mediagro Prioritas : Jurnal Pengabdian Kepada Masyarakat Jurnal Sapta Agrica Jurnal Multidisiplin West Science
Retna Astuti Kuswardani
Universitas Medan Area
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Analysis of Income From Rice Farming Business in Tanjung Morawa District, Deli Serdang Regency Dian Dominika br Ginting; Retna Astuti Kuswardani; Endang Sari Simanullang; Muhammad Reza Aulia
Dinasti International Journal of Education Management And Social Science Vol. 6 No. 5 (2025): Dinasti International Journal of Education Management and Social Science (June
Publisher : Dinasti Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/dijemss.v6i5.5075

Abstract

Lowland rice farming is the main source of income for farmers in rural Indonesia and plays a strategic role in national food security. However, structural challenges such as high production costs, fluctuations in grain prices, and limited access to modern agricultural technology still limit improvements in farmer welfare. This study aims to analyze the level of income and cost efficiency of lowland rice farming in Tanjung Morawa District, Deli Serdang Regency. Using a quantitative descriptive approach through a case study design, primary data were collected from 46 farmers selected purposively, supported by secondary data from related agencies. Analysis techniques include calculating fixed and variable costs, revenues, and net income, complemented by an analysis of the business efficiency ratio using the Revenue/Cost (R/C) indicator. The results of the study indicate that rice farming in this area provides significant economic benefits with adequate cost efficiency, although labor and production input components are dominant burdens. These findings emphasize the importance of optimizing the allocation of production inputs and utilizing efficient agricultural technology as a strategy to increase farmer income. The main contribution of this study is to provide a relevant empirical basis for regional agricultural policy making and encourage the adoption of a data-based approach in evaluating the economic feasibility of sustainable rice farming.
Penegakan Hukum Sumber Daya Air Melalui Penanaman Seribu Pohon Isnaini; Wenggedes Frensh; Rizkan Zulyadi; Retna Astuti Kuswardani; Rafiqi; Panji Wibisana; Aang Supono
Prioritas: Jurnal Pengabdian Kepada Masyarakat Vol. 5 No. 01 (2023): EDISI MARET 2023
Publisher : Universitas Harapan Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Air merupakan sumber daya vital yang berperan penting dalam kehidupan masyarakat dan dijamin pengelolaannya oleh negara. Namun, masih rendahnya pemahaman masyarakat terhadap hukum sumber daya air serta pentingnya konservasi lingkungan menjadi tantangan tersendiri. Kegiatan pengabdian kepada masyarakat ini dilaksanakan pada 04 Februari 2023 di Dusun Tanjung Bunga, Desa Garunggang, Kecamatan Kuala, Kabupaten Langkat dengan tujuan meningkatkan literasi hukum dan mendorong partisipasi masyarakat dalam konservasi sumber daya air. Metode yang digunakan adalah pendekatan edukatif-partisipatif melalui penyuluhan hukum dan penanaman 1.000 pohon. Evaluasi dilakukan terhadap 300 responden menggunakan pre-test dan post-test. Hasil menunjukkan peningkatan rata-rata skor dari 61,4 menjadi 81,7 atau naik sebesar 20,3 poin (33,05%). Kategori pemahaman rendah menurun dari 44% menjadi 8%, sementara kategori baik dan sangat baik meningkat menjadi 72%. Selain peningkatan pengetahuan, kegiatan ini juga menghasilkan aksi nyata konservasi melalui penanaman pohon sebagai bentuk implementasi preventif penegakan hukum lingkungan. Kegiatan ini membuktikan bahwa edukasi hukum yang dipadukan dengan aksi konservasi mampu menumbuhkan kesadaran kolektif dan komitmen masyarakat dalam menjaga keberlanjutan sumber daya air.
Isolation, Morphological Characterization, Biochemistry, and Antagonistic Activity of Endophytic Bacteria from Rice Against Xanthomonas oryzae pv. Oryzae Saipul Sihotang; Alfons Dwi Putra Butar-Butar; Lita Nasution; Haliatur Rahma; Trizelia Trizelia; Magdalena Saragih; Retna Astuti Kuswardani; Ika Listiana; Beatrix Sofranes Napitupulu
Biology, Medicine, & Natural Product Chemistry Vol 14, No 2 (2025)
Publisher : Sunan Kalijaga State Islamic University & Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/biomedich.2025.142.825-829

Abstract

Endophytic bacteria have the potential as environmentally friendly biocontrol agents in controlling bacterial leaf blight (BLB) in rice caused by Xanthomonas oryzae pv. oryzae (Xoo). This study aims to isolate, characterize morphology and biochemical tests, and test the antagonistic activity of endophytic bacteria from rice against Xoo. Isolation was carried out from healthy rice root tissue using a surface sterilization method. Morphological characterization included colony shape, color, edge, elevation, and Gram properties, while biochemical characterization included catalase, oxidase, motility, starch hydrolysis, and sugar fermentation tests. The antagonistic test used a dual culture assay method on NA (nutrient agar) media. The isolation results obtained six endophytic bacterial isolates (BETP 01–06) identified as the genus Pseudomonas and Bacillus with varying colony morphological characters. Antimicrobial activity test showed two potential isolates, BETP 03 (Pseudomonas) and BETP 05 (Bacillus), with an average inhibitory diameter of 16.3 mm and 16.5 mm against Xoo, respectively. Biochemical characterization showed that BETP 03 was bacillus, Gram-negative, citrate-negative, motile, gelatin hydrolysis positive, starch hydrolysis positive, and catalase positive; while BETP 05 was bacillus, Gram-positive, citrate-positive, motile, gelatin hydrolysis negative, starch hydrolysis positive, and catalase positive. These results indicate that both isolates have high potential as biological biocontrol agents in controlling bacterial leaf blight disease in rice.
The Influence of Monoculture and Polyculture Planting Patterns on the Intensity of Pest Attacks by Helopeltis sp. on Arabica Coffee of the Sigarar Utang Variety in North Tapanuli Regency Retna Astuti Kuswardani; Siti Mardiana; Suswati; Saipul Sihotang
Jurnal Penelitian Pendidikan IPA Vol 9 No 12 (2023): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i12.5924

Abstract

Coffee is one of the leading commodities in the plantation subsector in North Sumatra which has good market opportunities both domestically and abroad. Especially in the Lake Toba area, apart from the PBKo pest, it turns out that attacks by the coffee leaf sucking pest Helopeltis sp. are also felt to be very important by farmers, because the presence of Helopeltis sp. This causes the coffee leaf shoots to develop brown spots, curl and eventually dry out and die (die back). The aim of the research was to study the symptoms of attacks and the intensity of Helopeltis sp. attacks on Arabica coffee plants in the Lake Toba area, North Tapanuli Regency. This research was carried out on people's coffee plantations in North Tapanuli Regency at an altitude of 1,300 meters above sea level, from February to June 2023. On the Sigarar Utang variety Arabica coffee plantation with monoculture and polyculture planting patterns. The sample plants were determined to be 10% of the total plants at each observation location. Sampling of plant samples is determined using a zig zag line. The parameters observed were the intensity of attacks and the percentage of pest attacks. The results obtained by Helopeltis sp. sucking shoot pests have been known to attack coffee plants in North Tapanuli Regency with symptoms of attack. At the start of the attack, leaf spots are visible, brown, curly and eventually dry out, die back, then grow rosettes, namely shoots, new ones that are shortened tightly and do not develop. The intensity of attacks by Helopeltis sp. on smallholder coffee plantations in North Tapanuli Regency is quite varied, from light to heavy attacks with the intensity of shoot attacks ranging from 15.67% to 57.80%. Monoculture coffee plantations with protective plants, but no pruning, are locations with Helopeltis sp. attack levels in the heavy category with shoot attack intensity reaching 56.66%. The intercropping coffee plant cultivation system (polyculture) had a significant influence on the low intensity of Helopeltis sp. attacks, where tcount (8.921) > ttable (2.306).
Impact of Regenerative Agriculture on Soil Biological Performance in Arabica Coffee (Coffea arabica) Cultivation Silvia Nora; Retna Astuti Kuswardani; Surip Mawardi
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 7 No. 2 (2025): Vol. 7 No. 2 Mei (2025): Jurnal Agronomi Tanaman Tropika (JUATIKA)
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v7i2.4303

Abstract

Soil health is a crucial factor in the sustainability of Arabica coffee production, particularly in addressing the challenges of land degradation caused by conventional agricultural practices. One practical approach to naturally enhance soil fertility is implementing a regenerative farming system, which focuses on increasing the diversity of soil microbes to support a healthy and productive ecosystem. This study aims to analyze and compare the diversity of soil microbes in Arabica coffee fields managed under regenerative farming systems versus those under conventional farming systems. It will identify the dominant types of microbes in each system and examine how their presence influences soil fertility. Additionally, the study will assess the impact of regenerative farming on the balance of the soil microbial ecosystem and the health of coffee plants. The methodology employed is comparative, involving soil sampling through random sampling techniques. Microbial diversity will be analyzed using culture methods, with soil microbial observation parameters including bacteria, fungi, phosphorus-solubilizing bacteria, nitrogen-fixing bacteria, respiration rates, and the carbon-to-nitrogen (C/N) ratio. Laboratory data will be analyzed using comparative statistical tests, specifically the t-test. The study aimed to identify microbial distribution patterns using PCA-Bi Plot analysis. The results indicated that the total number of bacteria, fungi, total microbes, and soil respiration rates were significantly higher in the regenerative farming system than in the conventional system. The dominant soil microbes in the regenerative farming system included nitrogen (N) fixing bacteria and decomposer fungi. A strong positive correlation (r = 0.938, p < 0.01) was observed between total microbes and soil respiration. The regenerative farming system not only increases the number of soil microbes but also enhances the biological activity of the soil. These findings underscore the potential of regenerative agriculture as a viable alternative for improving soil quality in Coffea arabica cultivation, aligning ecological benefits with agricultural productivity.
EFFECT OF VEGETATION ON THE DIVERSITY AND COMMUNITY STRUCTURE OF INSECT POLLINATORS OF SUGAR PALM (Arenga pinnata) IN SOUTH TAPANULI Siti Hardianti Wahyuni; Retna Astuti Kuswardani; Zulheri Noer
Jurnal Sapta Agrica Vol 5 No 1 (2026): Jurnal Sapta Agrica
Publisher : Universitas Nias Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57094/jsa.v5i1.5353

Abstract

Sugar palm (Arenga pinnata) is an important agroforestry commodity whose productivity depends heavily on insect-mediated pollination. Vegetation type influences pollinator availability by shaping habitat structure and resource distribution. This study aimed to analyze the effect of vegetation types on the diversity and community structure of insect pollinators of sugar palm in South Tapanuli Regency, Indonesia. A quantitative comparative-ecological design was applied in two vegetation types, namely secondary forest and open land. Data were collected using direct observation and sweep netting during the flowering period and analyzed using the Shannon–Wiener diversity index, evenness, Simpson’s dominance index, regression, and NMDS ordination. Results showed that pollinator abundance was higher in open land, while secondary forest supported higher diversity (H’ = 2.87–3.12) and evenness, with lower dominance values. In contrast, open land was dominated by a few adaptable species. NMDS analysis indicated differences in community composition between vegetation types. Regression analysis showed a weak and non-significant relationship between abundance and diversity (r = −0.022; p > 0.05), indicating that higher abundance does not necessarily reflect higher diversity. In conclusion, vegetation complexity enhances pollinator diversity and community stability, whereas habitat openness increases abundance but reduces ecological balance. These findings highlight the importance of maintaining heterogeneous landscapes to support sustainable pollination services for Arenga pinnata.
Analisis Preferensi Konsumen Dalam Memilih Coffee Shop di Kota Padangsidimpuan Arpan Dalimunthe; Retna Astuti Kuswardani; Siswa Panjang Hernosa
Ganaya : Jurnal Ilmu Sosial dan Humaniora Vol 8 No 4 (2025)
Publisher : Jayapangus Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37329/ganaya.v8i4.4881

Abstract

Coffee Shop business is considered very promising with various characteristics that exist at this time. The purpose of this study is to determine the characteristics of coffee shop respondents, attributes and levels of coffee shops, the order of coffee shop attributes in Padangsidimpuan City. The data used in this study are primary data and secondary data, the sample in this study amounted to 100 respondents with the judgment sampling method. The data analysis method used is using conjoint analysis. For the order of coffee shop attributes are location, price, coffee shop atmosphere, coffee shop service, products and facilities. This shows that the attribute considered most important by consumers in choosing a Coffee Shop in Padangsidimpuan City is the location attribute. The results of the Pearson's R and Kendall's tests show significant results between consumer preferences in choosing a Coffee Shop in Padangsidimpuan City. It is necessary to understand the characteristics of respondents, so that coffee shops will be able to make more appropriate decisions about marketing strategies, determine products and atmospheres to increase respondent satisfaction and increase sales. The attributes and levels of coffee shops in Padangsidimpuan are: Location close to residence, Prices of Rp. 16,000 – Rp. 25,000, outdoor coffee shop atmosphere, responsive coffee shop service, attractive product displays and wifi facilities so that by understanding these consumer preferences, coffee shops can increase satisfaction and increase sales by meeting consumer needs and expectations.
Sosialisasi Pemanfaatan IoT Berbasis Machine Learning pada Deteksi Penyakit Tanaman Sawit untuk Pertanian Berkelanjutan di Dusun I Bukit Gantung Desa Sumber Mulyo Hartono; M. Khahfi Zuhanda; Sayuti Rahman; Retna Astuti Kuswardani; Suswati; Muhammad Zen; Erianto Ongko; Lili Suryati
Dedikasi Sains dan Teknologi (DST) Vol. 5 No. 2 (2025): Artikel Pengabdian Nopember 2025
Publisher : Information Technology and Science (ITScience)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/dst.v5i2.7148

Abstract

Kegiatan Pengabdian kepada Masyarakat (PkM) ini dilaksanakan untuk meningkatkan literasi digital petani sawit di Dusun I Bukit Gantung, Desa Sumber Mulyo, melalui sosialisasi pemanfaatan Internet of Things (IoT) berbasis machine learning untuk smart agriculture dalam deteksi dini penyakit tanaman sawit. Pelatihan dirancang dalam empat tahapan, yaitu persiapan perangkat, penyampaian materi konseptual, praktik instalasi IoT, penerapan machine learning, serta pendampingan lapangan. Evaluasi dilakukan menggunakan pre-test dan post-test untuk mengukur perubahan kompetensi peserta terhadap konsep IoT, machine learning, instalasi sensor, dan interpretasi hasil deteksi. Berdasarkan analisis, evaluasi hasil pelatihan menunjukkan peningkatan sebesar 47%, dengan kenaikan tertinggi pada keterampilan instalasi sensor dan membaca hasil aplikasi (+54%). Penerapan teknologi ini membantu petani melakukan deteksi penyakit lebih cepat dan akurat sehingga penggunaan pestisida dapat ditekan melalui penyemprotan selektif. Selain menghasilkan peningkatan kompetensi teknis, kegiatan ini meningkatkan keberterimaan teknologi di kalangan petani, terbukti dari 14 dari 15 kelompok yang secara konsisten menggunakan perangkat IoT pascapelatihan. Secara sosial, program ini mendorong perubahan perilaku kolektif menuju praktik budidaya yang lebih aman, efisien, dan berbasis data. Implementasi ini menunjukkan bahwa integrasi IoT–machine learning mampu memperkuat keberlanjutan pertanian sawit sekaligus meningkatkan kualitas pengelolaan kebun masyarakat, serta memberikan dasar penting bagi pengembangan sistem monitoring kesehatan tanaman yang lebih komprehensif dan adaptif pada skala komunitas.
Study on the Production of Superior Seed Bunches of Oil Palm (Elaeis guineensis Jacq.) (Case Study: Indonesian Oil Palm Research Institute-PPKS Marihat Unit) Yabani Yabani; Retna Astuti Kuswardani; Agus Susanto; Saipul Sihotang
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 10, No 2: Jurnal Pembelajaran Dan Biologi Nukleus July 2024
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v10i2.5882

Abstract

This research aims to examine the production of superior oil palm seed bunches in the PPKS Marihat Unit.Data and information collection is carried out using direct and indirect methods. Field observations carried out include: Area conditions including: topography, soil conditions, Plant conditions including: plant growth, plant population and fruit condition, Technical culture conditions: fertilization, harvesting of seed bunches. Supporting data collected includes: garden production data, rainfall and fertilization data. The research results are bSeveral factors that cause low production include: a) fertilizer amounts that are far from plant needs, given the time, type; b) plant density which is classified as less than optimal due to ganoderma attacks. The number of bunches is the result of plant physiological processes, mainly determined by the ecophysiological conditions of the plant around 24 months before harvest, where the decrease in production in the number of bunches harvested in 2020 is the result of ecophysiological conditions in the form of fertilization which is not appropriate in 2019-2020.
EKONOMI SIRKULER SEKTOR PERTANIAN: POTENSI LIMBAH SEBAGAI SUMBER PAKAN DAN PANGAN Retna Astuti Kuswardani; Rahmad Syah; Sri Ariani Safitri
JMM (Jurnal Masyarakat Mandiri) Vol 10, No 2 (2026): April
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jmm.v10i2.38270

Abstract

Abstrak: Peningkatan jumlah penduduk menyebabkan akumulasi sampah organik yang berpotensi menimbulkan permasalahan lingkungan apabila tidak dikelola dengan baik. Sejalan dengan penerapan ekonomi sirkular, sektor pertanian memiliki peluang untuk mengintegrasikan pengelolaan limbah dengan peningkatan ketahanan pangan dan pendapatan masyarakat. Mitra Kegiatan pengabdian yakni Ibu-ibu PKK Desa Pantai Labu Baru., Kecamatan Pantai Labu, Kabupaten Deli Serdang .[As1.1][SS1.2] Programrogram bertujuan mengoptimalkan penggunaan sumber daya melalui pelatihan pengelolaan limbah rumah tangga berbasis maggot, pemanfaatan pupuk kasgot, pakan ternak serta budidaya sayuran pekarangan. Metode yang digunakan meliputi penyuluhan, pelatihan, dan pendampingan terhadap mitra yakni Ibu anggota PKK Desa Pantau Labu Barumasyarakat[As2.1][SS2.2] yang berjumlah 35 orang.. Indikator dari keberhasilan program ini yakni peserta dapat menerapkan pengelolaan sampah organik dengan bantuan maggot, selanjutnya peserta memanfaatkan pekarangan rumah dengan membudidayakan berbagai jenis sayuran dan budidaya ternak dari hasil kasgot dan pakan ternak dari limbah dari maggot. Hasil kegiatan menunjukkan secara keseluruhan, hasil perbandingan pre-test dan post-test menunjukkan bahwa rata-rata peningkatan pemahaman dan sikap peserta pada seluruh indikator mencapai sekitar 63%, yang mengindikasikan efektivitas kegiatan dalam meningkatkan kapasitas peserta terkait pengelolaan limbah, budidaya maggot, dan pemanfaatan pekarangan.Abstract: The increase in population has led to the accumulation of organic waste, which may cause environmental problems if not properly managed. In line with the implementation of the circular economy concept, the agricultural sector offers opportunities to integrate waste management with improvements in household food security and community income. The community service partner in this program was the PKK group of Pantai Labu Baru Village, Pantai Labu Subdistrict, Deli Serdang Regency. The program aimed to optimize resource utilization through training on maggot-based household waste management, the use of frass (kasgot) as organic fertilizer, animal feed production, and home-yard vegetable cultivation. The methods employed included socialization, training, and community mentoring. The results indicate that the comparison of pre-test and post-test scores shows an average improvement of approximately 63% in participants’ knowledge and attitudes across all indicators, demonstrating the effectiveness of the program in enhancing participants’ capacity in waste management, maggot cultivation, and productive yard utilization.
Co-Authors Aang Supono Abdul Rahman Abidah Ayu Adam Adelina Lubis Agus Susanto Aisar Novita Alfons Dwi Putra Butar-Butar Aminuyati Arpan Dalimunthe Azwana Azwana Azwana Azwana B. Sengli J. Damanik Beatrix Sofranes Napitupulu Bidasari bidasari bidasari, Bidasari Budi Hartono Chairani Hanum Chairani Hanum Dalimunthe, Arpan Darma Bakti Darma Bakti Dedi Sahputra Dian Dominika br Ginting E. Harso Kardhinata Ellen Lumisar Panggabean Emmy Harso Kardhinata Emmy Harso Kardhinata Endang Sari Simanullang Endang Sari Simanullang Erianto Ongko Erwin Hasibuan ERWIN NYAK AKOEB Erwin Nyak Akoeb, Erwin Nyak Erwin Pane, Erwin Eryanto, Okto Eva Sriana Ferdiansyah, Yudi Firmansyah, Dimas Fitri Yanni Dewi Siregar Ginting, Dian Dominika br Ginting, Jordanta Ginting, Natal Habib Satria Haliatur Rahma, Haliatur Hanny Hafiar Harahap, Abdul Anas Harahap, Darmadi Erwin Hartono Hartono Hartono Hasanuddin Hasibuan, Syahbuddin Ida Sari Siregar Ihsan Effendi Ika Listiana Indah Apriliya Indri Yanil Vajri Irawan, Maya Novita Sari Isnaini Isnaini Jamilah Nasution Lamria Sidauruk Lili Suryati Lubis, Susilawati M. Akbar Siregar Magdalena Saragih Maya Novita Sari Irawan Mitra Musika Lubis Muhammad Akbar Siregar Muhammad Bobby Ramadhana Muhammad Darwis Muhammad Deaprama Aydra Muhammad Khahfi Zuhanda Muhammad Reza Aulia Muhammad Zen Mulkan Andika Situmorang Nadra Ideyani Vita Nasution, Lita Natal Ginting Nina Salmaniah Siregar Noer, Zulhery Nurhidayana Nurhidayana Nurhidayana, Nurhidayana Panji Wibisana Pradana, Mahardika Gama Puspita, Diah Eka Rafiqi Rafiqi Rahmad B.Y Syah Rahmad Fauzi Rahmad Syah Rahmad Syah, Rahmad Rahman, Sayuti Rahmanta Rahmanta, Rahmanta Ramadhana, Muhammad Bobby Raudha Anggraini Tarigan Ria Wuri Andary Rizkan Zulyadi Saipul Sihotang Saragih, Bahdan Saragih, Magdalena Sartini Sartini Sarumaha, Agustinus Seca Gandaseca Seri Sekar Sari Setya, Rezki Tri Silvia Nora Silvia Nora, Silvia Sina sina Sina sina, Sina Siregar, Agus Saputra Siregar, Awaluddin M Siregar, M. Akbar Siregar, Nina Salmaniah Siswa Panjang Hernosa Siswa Panjang Hernosa Siti Hardianti Wahyuni Siti Mardiana Siti Mardiana Siti Sabrina Salqaura Situmorang, Sudiwan Sri Ariani Safitri Sri Milfayetty Sugio Surip Mawardi Surip Mawardi Suswati Suswati Syahbudin Hasibuan Taufik Siregar Tri Febriana Sinaga Trizelia Tumpal H.S. Siregar Wenggedes Frensh Wijoyo, Hadi Yabani Yabani Yusniar Lubis Zahari Zen Zul Fadhly Zulheri Noer