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Ecological Role of Siombak Lake as a Nursery and Feeding Ground for Aquatic Species in the Belawan Estuary, Indonesia Muhtadi, Ahmad; Pulungan, Ahyar; Mukra, Rizal
LIMNOTEK Perairan Darat Tropis di Indonesia Vol. 31 No. 2 (2025)
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/limnotek.2025.9340

Abstract

Tidal lake is a coastal lake whose water condition is influenced by the dynamics of tides. This lake serves as a habitat for a diverse array of aquatic biota, including freshwater, brackish, and marine species. This study aims to describe the distribution of larvae, juveniles, crustacea, and adult fish in the context of the coastal lake's role as a nursery and feeding ground. The study was conducted from September 2018 to August 2019, at Lake Siombak, a coastal lake located in the Belawan River estuary along the northern coast of Medan City, Indonesia. Data were collected at high and low tides during the full moon. Larva and juvenile fish? sampling used larval nets with a mesh size of 300 μm and a diameter of 60 cm, while adult fish were caught with gill nets with a mesh size of 1 inch and a dimension of 10 × 2 m. Crustaceans were captured with traps. The research found nine families consisting of six fish families, two crustacean family, and one cnidarian family. The abundance of larvae and juveniles found was 17 to 1797 individuals per 100 m-3. At the high tides, the composition of Ulmaridae (jellyfish: Aurelia aurita) that was caught reached 57.7%. While at low tides, there were more Penaeid families in the Mysis phase, reaching 78.6%. The abundance of Mysis (Penaeid) and jellyfish indicates that the lake serves as a nursery ground for post larvae crustaceans and jellyfish. The presence of adult fish migrating from the sea and Belawan River indicates that the lake functions as a feeding ground in the Belawan estuary.  Therefore, Lake Siombak still plays a crucial role as a nursery and feeding ground for fish, crustaceans, and jellyfish originating from the Belawan River estuary and its surrounding areas. Preserving the sustainability of this lake is crucial to ensuring the continued productivity of fisheries in the Belawan River estuary.
Effectiveness of Solar-Powered Smart School Yard Lights on Energy Efficiency and Lighting Quality Ahmad Muhtadi; Luky Mahendra; Moh. Rosan Taufel Al Farobi
Elkom: Jurnal Elektronika dan Komputer Vol. 18 No. 2 (2025): Desember : Jurnal Elektronika dan Komputer
Publisher : STEKOM PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51903/elkom.v18i2.3320

Abstract

The development of renewable energy, particularly Solar Power Plants (PV), requires a reliable, real-time, and easily accessible electrical energy monitoring system to ensure optimal system performance. This study aims to design and implement an Internet of Things (IoT)-based electrical energy monitoring system for PV using the NodeMCU ESP32 microcontroller, the PZEM-004T sensor for measuring electrical parameters, and the Node-RED platform as the data visualization interface. The developed system is designed to monitor voltage, current, power, energy, frequency, and power loss in real time, and then display the data in the form of numerical values, graphs, and indicators on a dashboard accessible through a local network. The research method includes hardware design, software development (sensor reading, data processing, and communication), integration with Node-RED, and system testing on a small-scale PV installation. The test results show that the system is capable of monitoring electrical parameters in a stable and responsive manner. Variations in sunlight intensity were found to affect the current and power produced by the solar panels, whereas the inverter output voltage tended to remain within normal operating ranges. The Node-RED dashboard display was considered informative and helpful for users in monitoring and analyzing PV performance. Based on these results, it can be concluded that the IoT-based electrical energy monitoring system designed in this study functions well and is feasible for application in residential or educational-scale PV installations. The system still has the potential for further development through cloud service integration, the addition of environmental sensors, and enhancements to data analysis features and user interface design.
Perkembangan dan Tantangan Penegakan Hukum Pidana Internasional dalam Menangani Kejahatan Lintas Negara Ahmad Muhtadi; Bagus Equity; Zaenuddin
Sinergi : Jurnal Ilmiah Multidisiplin Vol. 2 No. 1 (2026): Sinergi: Jurnal Ilmiah Multidisiplin
Publisher : PT. AHLAL PUBLISHER NUSANTARA

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Abstract

The goal of this article is to thoroughly analyse the fundamental ideas of international criminal law, including its origins, guiding principles, and the range of offences that fall within its purview. The International Criminal Court (ICC), a permanent court with the power to try people for the most serious international crimes, is another law enforcement tool that is discussed. The principles of state sovereignty, jurisdictional restrictions, complementarity, and the degree of cooperation between states in the investigation, prosecution, and enforcement of rulings are among the many barriers and difficulties in the application of international criminal law that are examined in this study. Normative juridical research is the methodology employed, which includes a conceptual approach, a statutory regulatory approach, and a literature analysis of several international legal instruments, court rulings, and legal experts' doctrines. The study's findings show that while the Rome Statute and other international conventions have greatly advanced the framework of international criminal law, there are still considerable barriers to its effective enforcement. These challenges include the use of forceful arrests and some states' lack of willingness to fully cooperate and follow out rulings from international courts. Therefore, achieving equitable, efficient, and long-lasting implementation of international criminal law requires bolstering international cooperation structures and raising state commitment.   Keywords: International Criminal Law, International Crimes, International Criminal Court, Jurisdiction, State Sovereignty.   Abstrak Salah satu bidang hukum yang mengatur pertanggungjawaban pidana individu atas perbuatan yang dianggap sebagai kejahatan internasional adalah hukum pidana internasional. Kejahatan seperti itu tidak hanya merugikan suatu negara tetapi juga mengancam nilai-nilai penting masyarakat internasional secara keseluruhan. Genosida, kejahatan terhadap kemanusiaan, kejahatan perang, dan kejahatan agresi termasuk dalam kategori ini. Kejahatan internasional semakin kompleks dan terorganisir karena arus globalisasi yang semakin kuat, kemajuan teknologi informasi, dan meningkatnya mobilitas manusia lintas negara. Kondisi ini memerlukan adanya sistem hukum internasional yang dapat memberikan perlindungan hukum, menjamin keadilan, dan memberikan kepastian hukum kepada masyarakat dunia. Tujuan dari artikel ini adalah untuk memeriksa konsep dasar hukum pidana internasional secara menyeluruh, termasuk sumber hukum, prinsip-prinsip yang melandasinya, dan ruang lingkup kejahatan yang menjadi yurisdiksinya. Selain itu, diskusi berfokus pada mekanisme penegakan hukum yang dilakukan oleh Mahkamah Pidana Internasional (ICC), lembaga peradilan permanen yang diberi wewenang untuk mengadili orang-orang yang melakukan kejahatan internasional yang paling parah. Selain itu, penelitian ini mengkaji berbagai hambatan dan hambatan dalam pelaksanaan hukum pidana internasional. Hal-hal ini terutama berkaitan dengan prinsip kedaulatan negara, batasan yurisdiksi, asas komplementaritas, dan tingkat kolaborasi antarnegara dalam proses tersebut.investigasi, penuntutan, dan pelaksanaan keputusan yang dibuat.Penelitian yuridis normatif menggunakan peraturan perundang-undangan, pendekatan konseptual, dan studi kepustakaan terhadap putusan pengadilan, instrumen hukum internasional, dan doktrin para ahli hukum. Hasil penelitian menunjukkan bahwa, meskipun kerangka hukum pidana internasional telah berkembang secara signifikan sebagai hasil dari penciptaan Statuta Roma dan berbagai konvensi internasional, penegakan yang efektif tetap menghadapi beberapa tantangan. Di antara hambatan tersebut adalah pengaruh kepentingan politik negara, kewenangan lembaga peradilan internasional untuk melakukan penangkapan paksa, dan komitmen rendah sebagian negara untuk bekerja sama penuh dan melaksanakan putusan pengadilan internasional. Oleh karena itu, untuk mewujudkan penegakan hukum pidana internasional yang adil, efisien, dan berkelanjutan, diperlukan penguatan mekanisme kerja sama internasional dan peningkatan komitmen negara-negara.   Kata kunci: Hukum Pidana Internasional, Kejahatan Internasional, Mahkamah Pidana Internasional, Yurisdiksi, Kedaulatan Negara.
PKM Pelatihan Pengembangan Sistem Penerangan Jalan Bertenaga Surya dengan Aplikasi Internet of Things (IoT) Ahmad Muhtadi; Moh.Rosan Taufel Alfarobi; Lukky Mahendra
Transformative Service Journal Vol 1 No 3 (2025): Desember
Publisher : Yayasan Literasi Altruis Khatulistiwa

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Abstract

This community service project aims to design and implement a solar-powered street lighting system integrated with the Blynk application using Internet of Things (IoT) technology. The partner community faces challenges due to limited access to street lighting infrastructure, which affects social activities and residents' safety, especially at night. The designed system utilizes solar panels as the primary energy source, batteries for power storage, a NodeMCU ESP8266 microcontroller as the control center, and the Blynk application that allows remote monitoring and control of the lights via smartphones. An LDR sensor is used to detect ambient light intensity so that the lights automatically turn on at night and off during the day. Additionally, users can access the system status and manually control the lights through the Blynk app. The implementation results show that the system operates effectively, is energy-efficient, and is easy for residents to use. Active community participation in the training and installation process also enhanced their understanding of renewable energy utilization and digital technology. This program makes a tangible contribution to improving the community’s quality of life by providing sustainable and environmentally friendly lighting. Moreover, this innovation has the potential to be replicated in other areas with similar characteristics and challenges. 
Revitalization of the Akcaya Park in Pontianak City for Green Open Space Planning Mahardi, Putri Pratama; Alifia, Rizka; Muhtadi, Ahmad; Anggraini, Irene
International Journal of Research in Vocational Studies (IJRVOCAS) Vol. 5 No. 4 (2026): IJRVOCAS - Special Issues - Hybrid International Conference on Construction, Ma
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijrvocas.v5i4.240

Abstract

Akcaya Park is one of the open green spaces that plays an important role in providing recreational facilities, supporting social interaction, and improving environmental quality in Pontianak City. However, the park’s existing condition shows a decline in the quality of its facilities, aesthetics, and spatial utilization, making revitalization efforts necessary. This study aims to design a revitalization concept for Akcaya Park that can optimize its ecological, social, and aesthetic functions in accordance with community needs and technical standards for green open space planning.The methodology includes field surveys, collection of primary and secondary data, analysis of existing conditions, and the preparation of a design concept based on landscape planning principles and relevant technical guidelines. The design takes into account spatial arrangement, circulation, supporting facilities, lighting, vegetation, and environmental sustainability. Based on the design results, the revitalization of Akcaya Park focuses on improving accessibility, comfort, and optimizing the park’s functions, which include upgrading the children’s playground, relaxation garden, parking areas, public toilets, basketball court, waste management facilities, and lighting. This design is expected to meet community needs and contribute to the creation of a green, comfortable, and sustainable city.
Evaluation of Drainage System Performance in Flood Control Efforts in Benua Melayu Darat Subdistrict, Pontianak City Kurniawan, Pramudya; Ryanti, Eva; Syahrani, Deny; Muhtadi, Ahmad; Rabihati, Etty; Hafiyyan, Qalbi
International Journal of Research in Vocational Studies (IJRVOCAS) Vol. 5 No. 4 (2026): IJRVOCAS - Special Issues - Hybrid International Conference on Construction, Ma
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijrvocas.v5i4.481

Abstract

Benua Melayu Darat, located in South Pontianak Regency, relies heavily on artificial drainage systems to control surface runoff and flooding. However, the area still frequently experiences flooding during high rainfall intensity. Therefore, this study was conducted to evaluate the performance of the drainage system in Benua Melayu Darat District from a hydraulic and non-technical perspective and to identify the dominant factors contributing to channel dysfunction. The evaluation began with hydrological and domestic wastewater analyses to determine the total water volume to be accommodated by the existing channels. A hydraulic analysis was then conducted to determine the channel’s design discharge. Direct field measurements were performed to assess channel dimensions and flow velocity, and non-technical analyses were conducted of sedimentation, waste, and land cover. The results showed that 45% of channels in Benua Melayu Darat District had inadequate capacity to accommodate rainfall and domestic wastewater. Non-technical factors, such as uncontrolled sedimentation rates and garbage blockages, also significantly disrupted channel function. This study shows the need to normalise dimensions and channels, implement low-impact development systems, such as retention ponds, strengthen maintenance programs to ensure adequate drainage, and provide public education on how to maintain or protect the environment to prevent flooding.
Biodiversity and Ecosystem Status of Mangroves in the Belawan Estuary, North Sumatra Province, Indonesia Muhtadi, Ahmad; Leidonald, Rusdi; Fadhilah, Amanatul; Habibi, Arya Yusuf; Manalu, Natasya Rebekka; Nasution, Decy M. Carolina; Pulungan, Parhan; Begum, Salma
Journal of Sylva Indonesiana Vol. 9 No. 01 (2026): Journal of Sylva Indonesiana
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jsi.v9i01.19749

Abstract

Estuaries function as sediment deposition zones that provide essential substrates for mangrove development. Consequently, estuaries and mangroves constitute integral components of coastal ecosystems. The mangrove ecosystem in the Belawan Estuary, North Sumatra Province, is increasingly threatened by rapid urban expansion in Medan City. This study aimed to assess mangrove biodiversity, structural characteristics, and ecological status in the Belawan Estuary. Field surveys were conducted in November 2023 across 28 sampling stations representing seaward, middle, and landward sections of the estuary. Vegetation data were analyzed using density, diversity, evenness, dominance, and Importance Value Index (IVI). A total of 26 mangrove species were recorded, comprising 21 true mangrove species and 5 associated species. The most widely distributed species were Avicennia marina, Avicennia lanata, and Nypa fruticans. Mangrove density ranged from 533 to 2,733 ind ha⁻¹, with an average of 1,420 ind ha⁻¹. Shannon–Wiener diversity values ranged from 0.04 to 1.95, indicating relatively low diversity in several landward stations dominated by N. fruticans. Although the overall condition of mangroves in the Belawan Estuary is classified as good, the ecosystem remains highly vulnerable to land-use conversion under the revised spatial planning framework. Strengthening conservation-oriented spatial policy is therefore essential to ensure long-term ecosystem sustainability.
KEGIATAN FARMAKOLOGIS DARI BERBAGAI BAGIAN Carica papaya Linn. EKSTRAK: BUAH, DAUN, BENIH, UAP, KULIT DAN AKAR Hidayati, Tita Kosima; Susilawati, Yasmiwar; Muhtadi, Ahmad
Jurnal Riset Kefarmasian Indonesia Vol. 2 No. 3 (2020): Jurnal Riset Kefarmasian Indonesia
Publisher : APDFI (Asosiasi Pendidikan Diploma Farmasi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33759/jrki.v2i3.97

Abstract

Carica papaya (Caricaceae) Linn. (CP) is a popular tropical plant which provide a huge benefit. The fruit is either delicious and healthy while other parts have a great potential medicinal properties. CP are classified as plants that have anti-microbial activity, anti oxidant, anti malaria, anti-ulcer, anti-HIV, anti-inflammatory, anti-cancer, anti-hypertension, anti-fertility, anti-fungal and anti diabetic. Pharmacological activity of papaya plants related to the content of phytochemical compounds of alkaloid, flavonoid , tannin, saponin, enzyme: papain and chymopapain. These phytochemical content have been found in the young leaf, stem bark, dry seeds. Papaya leaf reveal more pharmacologycal activities because that have wide variety of phytochemical contents. In this review will be studied pharmacologycal activities of Carica papaya Linn. extract that obtained from fruit, leaf, seeds, stem bark and root. Besides, their various phytochemical contents are also described.
Potensi Ekologi dan Tantangan Pengelolaan Kawasan Konservasi Perairan Pulau Pini, Nias Selatan: Potensi dan Tantangan Pengelolaan Kawasan Konservasi Laut Daerah (KKLD) Muhtadi, Ahmad; Khairunnisa; Damanik, Mhd. Ridha Syafi'i; Siregar, Zufriwandi; Simaremare, Elisabet Rosevenny; Lubis, Muhammad Riza Kurnia; Azahirin; Br. Tarigan, Sri Masnita; Husaini, Hasbi; Ariston, Lovedrian
AQUACOASTMARINE: Journal of Aquatic and Fisheries Sciences Vol. 5 No. 1 (2026): AQUACOSTMARINE: Journal of Aquatic and Fisheries Sciences
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jafs.v5i1.24280

Abstract

Pulau Pini dan pulau-pulau kecil di sekitarnya merupakan wilayah pesisir yang memiliki ekosistem penting, seperti terumbu karang, padang lamun, dan mangrove yang berperan sebagai habitat utama berbagai sumber daya ikan dan penopang keanekaragaman hayati laut. Namun demikian, informasi ilmiah mengenai kondisi ekosistem serta tantangan pengelolaan kawasan konservasi di wilayah pulau-pulau kecil ini masih relatif terbatas. Penelitian ini bertujuan untuk menganalisis potensi ekologi, tantangan, serta arah pengelolaan kawasan konservasi di perairan Pulau Pini, Kecamatan Pulau-Pulau Batu Timur, Kabupaten Nias Selatan, Provinsi Sumatera Utara. Pengumpulan data dilakukan pada bulan November 2023 di Kawasan Konservasi Perairan Daerah (KKPD) Pulau Pini melalui pengamatan kondisi ekosistem mangrove, lamun, dan terumbu karang. Analisis data dilakukan secara deskriptif untuk menilai status ekosistem pesisir, sedangkan identifikasi faktor internal dan eksternal pengelolaan kawasan konservasi dianalisis menggunakan pendekatan SWOT (Strengths, Weaknesses, Opportunities, and Threats). Hasil penelitian menunjukkan bahwa kawasan ini memiliki potensi ekosistem pesisir yang signifikan dengan ditemukannya 7 spesies mangrove dan 6 spesies lamun. Persentase tutupan lamun berkisar antara 32,75%–61,50% yang menunjukkan kondisi ekosistem dari kategori kurang sehat hingga sehat. Kondisi terumbu karang tergolong kategori kurang dengan rata-rata tutupan karang hidup sebesar 38,35%, sedangkan mangrove berada pada kategori sedang dengan sebaran yang relatif terbatas. Zonasi kawasan konservasi terdiri atas zona inti, zona pemanfaatan terbatas, dan zona lain sesuai peruntukannya yang diarahkan untuk perlindungan ekosistem pesisir. Hasil analisis SWOT menunjukkan bahwa pengelolaan kawasan konservasi Pulau Pini berada pada Kuadran I (strategi SO), yang menekankan pemanfaatan kekuatan ekosistem pesisir untuk memaksimalkan peluang pengelolaan kawasan konservasi secara berkelanjutan. Temuan ini menegaskan bahwa penguatan perlindungan habitat, pemantauan ekosistem secara berkala, serta peningkatan partisipasi masyarakat merupakan strategi utama dalam mendukung pengelolaan kawasan konservasi yang berkelanjutan di perairan Pulau Pin
Co-Authors A. Dardiri Hasyim Abbas Alfuti , Abil Abnur Kamala, Siti Adenia Constansia Sitepu Adil Junaidi Ahmad Rizki Aji, Egi Setia Ajuan Ritonga Almira, Della Ami Tjitraresmi, Ami Amirah Amirah Andari, Ella Anggita Della Lestari Ariston, Lovedrian Ashshiddiq, Muhammad Arif Asmadi asmadi Asy Syifa, Khadijah Azahirin Bagus Equity baihaki, imam Begum, Salma Berliana, Melisa Intan Binti Nur Asiyah Br. Tarigan, Sri Masnita BUDI UTOMO Citra Pangestu D. Ariska D. Ariska, D. Damanik, Mhd. Ridha Syafi'i Dani Sumaryadi Darma Bakti Daulay, Achmad T. Dede Yuanda Desrita Desrita Desy Ariska Desyandri Desyandri Dewinta, Astrid Fauzia Dinarta Hutabarat Dwi Prasetyo DWI SURYANTO Eli Halimah, Eli Elvira, - Emma Surahman, Emma Entris Sutisna, Entris Eri Yusni Etty Rabihati Eulis Safina Eva Feriadi Eva Lia Risky Sinaga Eva Ryanti F. F. Rais F. F. Rais, F. F. Fadhilah, Amanatul Fahmi Fadhli Rais Febriyanti Panjaitan Fuad Hasan Gatera, Vesara A. Gusti Zulkifli Mulki Habibi, Arya Yusuf Hafiyyan, Qalbi Harahap, Cici Maulidiah Harahap, Muhamad Haikal Firyaldi Hartanto Wahyu Sasongko Hasan, Darul Herdaningsih, Sulastri Herdaningsih, Sulastri Herdaningsih, Sulastri Hesti Wahyuningsih Hidayati, Tita Kosima Husaini, Hasbi I Gusti Ngurah Antaryama Ida Musfiroh -, Ida Musfiroh ikhwan Arief Purnama Imam Baihaqi IMROATUL CHUSNIAH Ipanna Enggar Susetya, Ipanna Enggar Irene anggraini Irvanul Arifin, Mohammad Ishak, Mohd Yusoff Isten Sweno Tamba Jamiyanti, Eva Jannah, Sutra Wardatul Junaidy, Adil Kadarwan Soewradi KANIA NABILA FAJRIANTI Kartasasmita, Rahmana E Kartasasmita, Rahmana E Kembaren, Natasyha Pebrina Br Sembiring Keri Lestari Khairunnisa Kurlillah, Rizki Kurniawan, Pramudya Lukky Mahendra Luky Mahendra Mahardi, Putri Pratama Manalu, Natasya Rebekka Manullang, Kristina Natalia Manurung, Bunga Ulita Marufi, M. Marwan, Abang Maser, Wahyu Haryati Melisa Intan Barliana Mey Susanti Miftahul Jannah Miswar Budi Mulya Moelyono Moektiwardoyo Moh. Rosan Taufel Al Farobi Moh.Rosan Taufel Alfarobi Mohammad Basyuni Muammar Muammar Muhammad Hasan Basri Muhammad Ma’rufi Muhammad Reza Cordova, Muhammad Reza Muhammad Riza Kurnia Lubis, Muhammad Riza Kurnia Mulyoto mulyoto N. Azmi N. Azmi, N. Nababan, David NADYA INDAH DEWANTI, NADYA INDAH Nanda Putri Nasution, Decy M. Carolina Nurmala Sari Nurmatias Nurmatias Nursyamsiah, Tresna Nursyamsiah, Tresna NURUL ANNISA Nurul Azmi Orbita R. Dhuha Pardamean Lubis Pasaribu, Rihan Addilah Patihul Husni Perangin Angin, Imanuel Kemenangenta Perwira, Anggun Putri Pesta Saulina Sitohang Pesta Saulina Sitohang Pindi Patana Pratiwi Pratiwi Priyogo, Prengki Pulungan, Parhan Punomo, Punomo Purba, Theresia Widi Astuti Putri Churnia Arifin Qadar Hasani Randy Setiawan, Randy Raswin Nasution Rendra Setiawan, Gusti Resky, Indah Anjar Ridwan, M. Deny Rifqi Rama Dhani Rizal Mukra Rizal Rizal Rizka Alifia Rizki Eka Putra Rizki Ridoan Rizki, A. Rosanti, Indah Rudolf Y. Ompusunggu Rusdi Leidonald Sabilah Fi Ramadhani Sandy, Sarah D. Sarah Diba Sandy Sarpawi, Sarpawi SHAFIRA SHAFIRA Sholih, Mally G. Siahaan, Vania S.P Silaban, Matthew Federich Willyam Simaremare, Elisabet Rosevenny Sinurat, Ries Ruth Rytond Siregar, Rizky Febriansyah Siregar, Zufriwandi SITI NURUL KHOTIMAH Siti Saidah SITI SAIDAH Slamet Ibrahim - Sri Hartini Suria Masriani Sinaga Syafriadi Syafriadi Syahrani, Deny Taryono, Taryono TIJANIYAH TIJANIYAH, TIJANIYAH Toibullah Siregar Triwilaswandio Wuruk Pribadi Utomo, Satriyo Varanth, Sree Viknes Vina Maratus Salsabila warda, Sutra Wardatul Jannah, Sutra Winarni, Rina Yasmiwar Susilawati Yunasfi Djayus Yunasfi Yunasfi yunasfi yunasfi Yunasfi, Yunasfi Zaenuddin Zefri Ade Gurukinayan Zufriwandi Siregar Zulham Apandy Harahap Zulham Apandy Harahap