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  • N-1 Security Contingency Analysis through the IEEE Bus Application Performance Index Method 9

    This research is to test the N-1 security contingency analysis using the IEEE 9 bus application performance index method. In this study, the N-1 contingency was carried out where only one discharge between buses...
    Agung Ricardo Gultom Indonesia , Arfita Yuana Dewi Indonesia , Zukarnaini Indonesia , Kartiria Indonesia
    Pages: 40-55 2023-03-30
    10.24036/eksakta/vol24-iss01/387
    384 333
  • The Evaluation of Microplastic Reduction in Biofloc Aquaculture for Sustainable Nile Tilapia Cultivation

    Sustainable aquaculture requires environments free from microplastic contamination. However, microplastics are now commonly found in aquatic systems, including fish farms, where they can accumulate in organisms and...
    Deswati Deswati Indonesia , Rahmiana Zein Indonesia , Gatri Novsimapera Indonesia , Adewirli Putra Indonesia
    Pages: 329-343 2025-09-30
    10.24036/eksakta/vol26-iss03/609
    99 88
  • The Impact of Biofloc on Fish Growth Indicators and Health Risks Assesment from Polyethylene Terephthalate Microplastic Contamination

    This study aims to evaluate the effects of biofloc technology on the growth performance of Nile tilapia ( Oreochromis niloticus ) and to assess potential health risks associated with polyethylene terephthalate (PET)...
    Dian Rizky Afriani Indonesia , Deswati Indonesia , Rahmiana Zein Indonesia
    Pages: 239-249 2025-06-30
    10.24036/eksakta/vol26-iss02/594
    146 138
  • Comparative Analysis of Coral Cover Percentage and Species Diversity in Karanrang Island, Balang Lompo Island, Badi Island, and Lumu-Lumu Island Using the Underwater Photo Transect (UPT) Method

    This study assessed live coral cover and coral genus diversity across Karanrang Island, Balang Lompo Island, Badi Island, and Lumu-Lumu Island. Data collection was conducted at 12 observation stations (depth ±5 m)...
    Gracela Indonesia , Nita Rukminasari Indonesia , Jamaluddin Fitrah Alam Indonesia , Sri Wahyuni Rahim Indonesia
    Pages: 21-32 2026-02-28
    10.24036/eksakta/vol27-iss01/634
    119 44
  • Modeling of Human Development Index Using Ridge Regression Method

    This article aims to model factors affecting HDI (Human Development Index) in North Sumatera by 2015 using ridge regression method. This ridge regression method is used because in the IPM data there is a...
    Ferra Yanuar Indonesia , Mardha Tillah Indonesia , Dodi Devianto Indonesia
    Pages: 1-11 2018-10-30
    10.24036/eksakta/vol19-iss2/134
    1157 951
  • APLIKASI FUZZY c-MEANS CLUSTERINGUNTUK MENGELOMPOKKAN DATA GEMPABUMI DI PROVINSI BENGKULU

    This study aims to cluster earthquake events in Bengkulu Province and describe the characteristics of each group based on clustering results. The method used is Fuzzy c -Means Clustering. The clustering results show...
    Nur Afandi Indonesia
    Pages: 129-136 2017-11-30
    10.24036/eksakta/vol18-iss02/66
    515 554
  • PENERAPAN IMPORTANCE PERFORMANCE ANALYSIS DALAM MENILAI KEPUASAAN STAKEHOLDER TERHADAP KINERJA PKL MAHASISWA D3 STATISTIKA

    Statistics study programme ofUniversitas Negeri Padang is a vocational program for three years which is contain field experience lecture (PKL) as premier lecture for students. Location for PKL in 2016 at some Central...
    Yenni Kurniawati Indonesia , Nonong Amalita Indonesia , Syafriandi Syafriandi Indonesia
    Pages: 1-11 2017-04-25
    10.24036/eksakta/vol18-iss01/4
    537 719
  • Leaf Epidermal Comparison of Phasey Bean (Macroptilium lathyroides) and Siratro (Macroptilium atropurpureum)

    Phasey bean ( Macroptilium lathyroides ) and siratro ( Macroptilium atropurpureum ) are introduced legumes that become a common species in pastureland. The nutritional content of these legumes has been explored, but...
    I Made Saka Wijaya Indonesia , Eniek Kriswiyanti Indonesia
    Pages: 78-87 2022-06-30
    10.24036/eksakta/vol23-iss02/317
    354 454
  • Integration of Risk Thresholds into Enterprise Risk Management (ERM) Implementation in An Energy Company

    All state-owned enterprises are obligated to implement risk management effectively. Risk management implementation can be assessed using the Risk Maturity Index (RMI). The 2024 RMI assessment at one of the...
    Willy Januardi Indonesia , Putu Dana Karningsih Indonesia , Demi Ramadian Indonesia
    Pages: 449-465 2026-06-30
    10.24036/eksakta/vol27-iss03/708
    37 12
  • The Evolution of Zoonosis-Related Studies in Indonesia, 1977-2023: Bibliometric Analysis Concepts

    Various zoonotic diseases have been reported as epidemics throughout the world, including in Indonesia. Various studies have been conducted related to gaps in knowledge, especially on disease distribution, etiology,...
    Diana Nurjanah Indonesia , Indi Dharmayanti Indonesia , Fadilah Fadilah Indonesia
    Pages: 38-57 2024-03-30
    10.24036/eksakta/vol25-iss01/465
    282 290
  • Factors Affecting the Number of Infant Morality Cases in West Java for the 2019-2020 Period using Generalized Poisson Regression (GPR)

    The number of infant mortality cases is data in the form of counts which is modeled by Poisson regression. There is an assumption that needs to be met, namely equidispersion. Equidispersion is a condition in which...
    Kartika Dewi Indonesia , Nurul Gusriani Indonesia , Kankan Parmikanti Indonesia
    Pages: 259-270 2023-06-30
    10.24036/eksakta/vol24-iss02/363
    307 272
  • Hydrogeological Evaluation Based on Water Quality Parameters and Groundwater Level Conditions in Kolaka and Tangketada Basins, Southeast Sulawesi

    This study aims to evaluate the hydrogeological conditions of Pomalaa through analysis of groundwater flow patterns, groundwater level fluctuations, and water quality parameters. The methods used include geological...
    Muhammad Abdul Rahman Salim Indonesia , Dasapta Erwin Irawan Indonesia , Imam A. Sadisun Indonesia , Bonanza Herlambang Indonesia , Kurniawan Indonesia
    Pages: 530-548 2025-12-30
    10.24036/eksakta/vol26-iss04/623
    82 79
  • Study on Color Properties of Auricularia auricula-judae (Bull.) Quél. Affected by Nano Edible Coatings, Packaging Types, and Storage Temperatures

    Wood ear mushroom is a traditional edible and medicinal mushroom widely consumed as a food supplement. The color of the fruit body is a crucial indicator of commercial quality that influences consumer purchasing...
    Kusumiyati Kusumiyati Indonesia , Aulia Afifah Rachman Indonesia , Jajang Sauman Hamdani Indonesia
    Pages: 355-370 2025-09-30
    10.24036/eksakta/vol26-iss03/614
    215 102
  • Precipitation and Land Cover Change in Komodo National Park During El Nino and La Nina

    Komodo National Park is located in East Nusa Tenggara province which has a dry tropical climate. Air temperature in this area is relatively high with a lower rainfall compared to most of other Indonesian regions....
    Resti Salmayenti Indonesia , Putri Alya Mukti Ramadhanti Indonesia
    Pages: 190-199 2021-09-30
    10.24036/eksakta/vol22-iss3/282
    421 353
  • VES-GIS Application for Groundwater Potential and Aquifer Identification in Talang Kelapa District, Banyuasin, South Sumatra

    Talang Kelapa District faces serious challenges regarding a high risk of groundwater drilling failure due to extreme lithological heterogeneity in the Gumai Formation. This study aims to identify aquifer geometry...
    Arif Muhammad Indonesia , Andjarila Nurryska Indonesia , Rizka Indonesia
    Pages: 620-636 2026-08-11
    10.24036/eksakta/vol27-iss04/713
    30 12
  • Statistical Analysis to Evaluate The Service Quality at Community Health Center in Padang, Indonesia

    Healthcare provider have to take care of patient satisfaction. Therefore, the management should do a kind of evaluation to examine the patient satisfaction on the corresponding services. The purpose of this study is...
    Aidinil Zetra Indonesia , Ferra Yanuar Indonesia
    Pages: 25-32 2019-08-31
    10.24036/eksakta/vol20-iss2/198
    515 507
  • Estimation of Phytoplankton Density in Waters Kampar River Kampar District

    The Kampar River is one of the rivers in the upper reaches that has caused pollution due to local communities such as excessive activity and gravel and sand mining. The purpose of this study was to determine the...
    Marta Dinata Indonesia , Al Khudri Sembiring Indonesia , Rahmat Ramadansur Indonesia
    Pages: 372-381 2024-09-30
    10.24036/eksakta/vol25-iss03/341
    239 207
  • The Study Trees Potential for Forest in Universitas Lancang Kuning Pekanbaru

    The location of the study of Potential tree species for Peripheral Forest Development is determined by Lancang Kuning University, which is on Yos Sudarso road KM 8 Rumbai Pekanbaru, which is a fragmented habitat. The...
    Marta Dinata Indonesia , Fitridawati Fitridawati Indonesia , Lusi Dwi Putri Indonesia
    Pages: 77-85 2019-04-30
    10.24036/eksakta/vol20-iss1/176
    594 598
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