• Perbandingan Kinerja Metode Metropolis-Hastings dan Gibbs-Sampling dalam Penaksiran Parameter Model Regresi Logistik Multinomial 

  Togatorop, Sri Monica (Universitas Sumatera Utara, 2025)

  Parameter estimation in multinomial logistic regression models often faces challenges when sample sizes are limited or when predictor variables exhibit high multicollinearity, which can reduce estimation accuracy and ...

• Kajian Model Lotka-Volterra dalam Dinamika Persaingan Pasar 

  Panggabean, Theresia Defi Lasmaria (Universitas Sumatera Utara, 2025)

  The Competitive Lotka–Volterra mathematical model describes the interaction and competition between two market shares represented through a system of ordinary differential equations. The model incorporates a limiting ...

• Studi Efektivitas Polinasi Jambu Air (Syzygium aqueum) Oleh Lebah Klanceng (Trigona spp.) Di Kebun Agrowisata Medan Istana Jambu, Sidirejo, Kabupaten Deli Serdang 

  Yaniko, Austin (Universitas Sumatera Utara, 2025)

  The use of Trigona sp. as a pollinator is one of the meliponiculture techniques to increase plant pollination. Klanceng bees (Trigona sp.) are a type of stingless bee that has an important role as a plant pollinator. ...

• Efek Ekstrak Etanol Biji Pinang (Areca Catechu L.) terhadap Kadar Gula Darah dan Histologi Pankreas pada Tikus (Rattus Norvegicus L.) Jantan yang Diinduksi Aloksan 

  Umairah, Khalida (Universitas Sumatera Utara, 2025)

  Areca catechu seeds (Areca catechu L.) is a herbal plant that contains secondary metabolite compounds such as flavonoids, alkaloids, saponins, and tannins, which have hypoglycemic properties. Flavonoids, as antioxidants, ...

• Pemodelan dengan Generalized Lambda Distribution pada Data Kinerja Keuangan Perusahan Indonesia 

  Gio, Prana Ugiana (Universitas Sumatera Utara, 2024)

  The generalized lambda distribution (GLD) is one of the statistical distributions that can be used for data matching. GLD is known to have a high level of flexibility so that it can create distributions with a variety of ...

• Pengaruh Aktivitas Harian Lebah Klanceng (Trigona Spp.) Terhadap Polinasi Dan Durasi Pembuahan Tanaman Anggur (Vitis Vinifera L.) Di Desa Sidodadi Ramunia, Kecamatan Beringin 

  Jonathan, Verich (Universitas Sumatera Utara, 2025)

  Grapevine (Vitis vinifera L.) has been a high-value commodity whose growth has been influenced by the environmental factors and the presence of pollinators, such as stingless bees (Trigona spp.), which have potential as ...

• Pembuatan dan Karakterisasi Beton Polimer dengan Campuran Abu Boiler Kelapa Sawit dan Limbah Cangkang Kerang Dara sebagai Bahan Pengisi 

  Butar, Irwan Marco Van Toba Butar (Universitas Sumatera Utara, 2025)

  Polymer concrete is a composite material that can be developed through the use of natural materials and industrial waste. This study utilizes sand, pumice, palm oil boiler ash, mussel shell powder, and epoxy resin as the ...

• Jenis-Jenis Pandanaceae di Pulau Nias Sumatera Utara 

  Zebua, Helmin Parida (Universitas Sumatera Utara, 2017)

  This study aims to reveal the diversity, distribution, and morphological as well as anatomical characteristics of the Pandanaceae family on Nias Island, North Sumatra. The exploration results identified ten species of ...

• Pengembangan Deteksi Titik Panas Kebakaran Hutan Berbasis Internet of Things (IoT) dan Teknologi Optik 

  Silaban, David Armaya (Universitas Sumatera Utara, 2025)

  Forest fires are a serious environmental issue in Indonesia, causing extensive impacts on ecosystems and human activities. Early detection of hotspots is an essential step in preventing forest fires. This study developed ...

• Potensi Isolate Bakteri Penghasil Biosurfaktan Lokal dalam Penguraian Karbofuran 

  Priyani, Nunuk (Universitas Sumatera Utara, 2024)

  A study about the potency of local bacterial isolates capable of degrading carbofuran has been done. The aims of the study were: to obtain local bacterial isolates from North Sumatra capable of degrading carbofuran, an ...

• Model Optimasi untuk Persoalan Terintegrasi Gudang, Inventori, Transportasi dalam Rantai Suplai Multi Eselon 

  Syofra, Anil Hakim (Universitas Sumatera Utara, 2025)

  Today, most companies have more complex supply chain networks in a more volatile business environment due to global sourcing, outsourcing of production, and serving customers worldwide with complex distribution networks ...

• Multi-Objective Vehicle Routing Problem With Time Windows Menggunakan Genetic Algorithm 

  Ketaren, Dahlia Rizky (Universitas Sumatera Utara, 2025)

  This study focuses on the development and application of the Multi-Objective Vehicle Routing Problem with Time Windows (MO-VRPTW) model using Genetic Algorithm (GA) to optimise the waste transport system in Batu Bara ...

• Pemanfaatan Energi Terbarukan dan Efektivitas Kompor Oli Bekas dalam Mengurangi Limbah Minyak dan Penghematan Biaya 

  Zega, Ika Ros Wita;; Brahmana, Kurnia (Universitas Sumatera Utara, 2025)

  This study aims to utilize used oil as an alternative fuel to replace LPG gas and evaluate its combustion effectiveness in producing heat energy to heat water. Used oil is a liquid waste from motor vehicles that has the ...

• Penerapan Analisis Faktor dalam Menentukan Faktor-faktor yang Mempengaruhi Keputusan Belanja Online Melalui Aplikasi Shopee (Studi Kasus: Mahasiswa Universitas Sumatera Utara) 

  Sakinah, Bunga (Universitas Sumatera Utara, 2024)

  Shopee is an online platform that provides services for buying and selling through the internet. In this study, several factors are identified that influence consumers’ decisions to shop online via Shopee. Factor analysis ...

• Modifikasi Pati Ubi Jalar Putih (Ipomoea Batatas-Linneaus) melalui Ikat Silang dengan Natrium Tripolifosfat 

  Sijabat, Lidia (Universitas Sumatera Utara, 2025-07-09)

  Modification of sweet potato starch phosphate has been done through cross-linking reaction between white sweet potato starch (Ipomoea Batatas-Linneaus) with sodium tripolyphosphate (STPP). This research was conducted in ...

• Sistem Pengendali On/Off Otomatis Saklar dan Konsumsi Daya Listrik Neon Box Berbasis Internet of Things (IoT) 

  Syafitri, Khoirika (Universitas Sumatera Utara, 2025)

  Energy efficiency refers to the effort to utilize energy in an optimal and purposeful manner. Inefficient energy usage is still commonly observed, particularly in the operation of neon boxes that remain illuminated during ...

• Studi Pembuatan Zat Aditif Bahan Bakar Gasolin dari Hidrogenolisis Gliserol dengan Katalis Nikel Klorida 

  Ambarita, Imelda Deborah (Universitas Sumatera Utara, 2025)

  The use of glycerol, a by-product of the biodiesel industry, as a raw material for making fuel additives is one of the solutions in the development of renewable energy. This study aims to synthesize the compounds of acetyl ...

• Analisis Probabilistik dan Pemodelan Risiko dengan Rantai Markov, Metode MCMC, dan Regresi Logistik Ordinal pada Perkembangan Penyakit Diabetes Tipe 2 

  Julietta Sembiring, Erfiana (Universitas Sumatera Utara, 2025)

  Type 2 Diabetes Mellitus is a chronic disease that progresses gradually and often shows no symptoms in its early stages. To understand the dynamic transition of health status from normal to prediabetes and eventually to ...

• Evaluasi Kinerja Regresi Hüber dalam Mengatasi Outlier Dibandingkan dengan Metode Ordinary Least Square (OLS) dan Least Median Square (LMS) 

  Polem, Zulfina Rahmah (Universitas Sumatera Utara, 2025)

  Linear regression is the relationship between independent variables and dependent variables that is described in the form of a straight line (linear). Linear regression models are used to predict the values of unknown ...

• Rancang Bangun Dan Kalibrasi Timbangan Digital Menggunakan Modul Hx711 Berbasis Arduino Uno Dengan Tambahan Buzzer 

  Sulistiani, Dwi Fadilla (Universitas Sumatera Utara, 2025)

  This study describes the process of designing and calibrating a digital scale using the HX711 module based on Arduino Uno with the addition of a buzzer as a notification feature. The system is designed to measure load mass ...

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