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Jurnal Locus Penelitian dan Pengabdian
Published by Riviera Publishing
ISSN : 28295439     EISSN : 28297334     DOI : https://doi.org/10.36418/locus
Core Subject : Science, Education, Engineering,
Aerospace Engineering Automotive Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Mathematics
Jurnal Locus: Jurnal Ilmiah Penelitian dan Pengabdian, double-blind and open-access academic journal in the Multidisiplin. This journal is published once a month by CV. Riviera Publishing.
Arjuna Subject : Umum - Umum
Articles 970 Documents
 61   62   63   64   65 
Comparative Cost Efficiency Analysis of Smart Contracts: A Supply Chain Case Study on Polygon zkEVM Pamungkas, Hedy
Jurnal Locus Penelitian dan Pengabdian Vol. 4 No. 9 (2025): : JURNAL LOCUS: Penelitian dan Pengabdian
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/locus.v4i9.4803

Abstract

This paper presents the findings of research that addresses the primary economic barrier preventing blockchain adoption in supply chain management. While blockchain technology has the potential to deliver revolutionary benefits to supply chains, the non-viable nature of Ethereum's on-chain usage, with gas fees of $20.40 to $36.57 per transaction, represents a significant economic cost to enterprises, becoming an insurmountable obstacle, especially in emerging markets. The research employs a radical empiricism approach, systematically measuring the gas cost of over 300 independent test transactions for recording the flow of product materials, validating new vendors, and tracking distributed items against three modular smart contracts: a master contract and two interchangeable module contracts. The identical sets of contracts are deployed across the testing environment of the Polygon zkEVM mainnet, Polygon Cardona testnet, and Ethereum Sepolia testnet, with significance supported at p < 0.01 through a two-tailed t-test. The findings of the research demonstrated that the analyzed network, Polygon zkEVM, was able to demonstrate a 99.90% reduction of costs, from $143.25 to $0.14 for deployment costs and from $8.25 to $0.008 per transaction. The implementation options provide Polygon zkEVM with an extra 46.5% decrease in costs through the use of gas pricing as a determining factor in optimization, as well as an additional 90.9% decrease in costs through operational optimization, as the assessed costs remain less than 0.10% of the generated revenue, meeting the defined economic viability threshold for a need to process 500 transactions daily by an SME in Indonesia.
Compressive Strength of Concrete with Nickel Carbon Sulfur and Dirty Sulfur Waste Substitution: A Unit Price Analysis (AHSP) Approach Haryanto, Vian Marantha; Soeparyanto, Try Sugiyarto
Jurnal Locus Penelitian dan Pengabdian Vol. 4 No. 9 (2025): : JURNAL LOCUS: Penelitian dan Pengabdian
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/locus.v4i9.4807

Abstract

Nickel is one of the minerals that is in demand by many parties, especially now that nickel is an important ingredient in the promotion of green energy because it is a component of electric vehicle production. According to the International Energy Agency (IEA), nickel demand in 2020 is 2,340.56 metric tons and according to the sustainable development scenario, nickel demand is projected to reach 6,265.74 metric tons which can account for 60% of total clean energy in 2040. However, the impact of this mining is a case of environmental damage such as road damage, water pollution, air pollution, land damage. Based on the Regulation of the Minister of Environment and Forestry Number 6 of 2021 concerning Procedures and Requirements for the Management of Hazardous and Toxic Waste Materials, the determination of the status of B3 waste is carried out through characteristic tests which include explosive, flammable, reactive, infectious, corrosive and/or toxic. TCLP test, LD50 toxicology test and sub-chronic toxicology test were performed to determine the toxic properties of B3 waste. The method used in this study is a concrete mix design job as an advanced processing of cement/concrete manufacturing. This research is experimental where this research aims to determine the relationship between the compressive strength of concrete and the compression testing machine with the concrete mix design method. The test specimen made in this experiment was in the form of a concrete cylinder with a height of 300 mm and a diameter of 150 mm totaling 150 samples with a fermentation period of 7,14,28,54 and 90 days. Carbon sulfur and dirty sulfur are determined as non-B3 waste based on the results of the TCLP test so that further processing and utilization can be carried out. Carbon sulfur & dirty sulfur from the results of laboratory tests showed that the toxicity characteristics leaching procedure (TCLP) and total concentration (TK) values did not exceed the Category B threshold according to PP22 of 2021 so that it was non-B3 waste so that it could be utilized. For the 90-day fermentation period, the highest compressive strength is cs+ds 5%, cs+ds 10% of 179.4 kg/m², 170.3 kg/m². With an economic value for each Cs+Ds 5% of IDR 34,042.50, Cs+Ds of 10% of IDR 36,941.14 and Cs+Ds of 15% of IDR 39,495.52.
Karakteristik Briket Fly Ash Batubara Berdasarkan Campuran Biomassa Arang Tempurung Kelapa Dan Serbuk Jati Belanda Muhamad, Zein; Pratowo, Bambang; Nawawi, Abdul Rohim
Jurnal Locus Penelitian dan Pengabdian Vol. 4 No. 9 (2025): : JURNAL LOCUS: Penelitian dan Pengabdian
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/locus.v4i9.4810

Abstract

The increasing energy demand and the high amount of coal waste in the form of fly ash encourage the development of environmentally friendly alternative fuels. This study aims to determine the process of making fly ash-based briquettes, assess the water content, ash content, burning time, and compare the characteristics of hardness and calorific value of briquettes mixed with coconut shell charcoal and Dutch teak wood powder. In this study, briquettes were made by mixing fly ash and coconut shell charcoal and fly ash and Dutch teak wood powder with compositions of 20:70, 40:50, 45:45, and 30:60 with a 10% adhesive concentration. The research process was carried out by manually mixing the materials until homogeneous, molding using a block-shaped metal mold, then drying in an oven at a temperature of 100–105°C for 3 hours. Testing methods include testing water content, ash content, calorific value, compressive strength, and burning time. The experimental data are explained comparatively to the composition variations. The results showed that briquettes with a composition of 40% fly ash, 50% coconut shell charcoal, and 10% adhesive produced the highest calorific value of 6,215 kcal/kg and a compressive strength of 2,048 kg/cm², superior to the mixture of teak wood powder.
Analisis Hukum Ekonomi terhadap Kebijakan Kelas Rawat Inap Standar (KRIS) dalam Upaya Mewujudkan Efisiensi dan Keadilan Jaminan Kesehatan Nasional Muliani, Candra Wiwit; Suryono, Arief
Jurnal Locus Penelitian dan Pengabdian Vol. 4 No. 9 (2025): : JURNAL LOCUS: Penelitian dan Pengabdian
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/locus.v4i9.4811

Abstract

The Standard Inpatient Class (KRIS) policy is part of the reform of the National Health Insurance (JKN) system which aims to simplify inpatient services and eliminate class differentiation based on the amount of contributions. This policy is considered a step towards more equitable and equitable health services, and reflects the principle of distributive justice according to John Rawls' theory of justice as fairness. In addition, from an economic law perspective, KRIS has the potential to create efficiency in the use of health service resources. This study aims to analyze whether KRIS reflects the principles of justice and efficiency in the legal framework and public policy. The results of the study show that KRIS normatively supports equal access and distribution of services, although technical challenges such as the readiness of hospital infrastructure and the perception of participant dissatisfaction still need to be anticipated. Thus, KRIS is an important foundation in the formation of an inclusive, efficient, and equitable national health system.
Sentiment Analysis Of Reviews On The Chatgpt Application Using Long Shortterm Memory Method Pramudita, Dias Aziz; Imaduddin, Helmi; Afiana Azizah, Synta Nur; Muslihah , Isnawati
Jurnal Locus Penelitian dan Pengabdian Vol. 4 No. 9 (2025): : JURNAL LOCUS: Penelitian dan Pengabdian
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/locus.v4i9.4812

Abstract

The use of information and communication technology (ICT) in the era of Education 5.0 has transformed how humans interact and learn. A significant development in this context is the application of artificial intelligence (AI) in the education sector, which has provided substantial benefits while also posing challenges, including data privacy and security issues. Chatbots using the GPT (Generative Pretrained Transformer) model are a prominent example of AI application. This study aims to analyze user sentiment towards the ChatGPT application on the Google Play Store using the Long Short-Term Memory (LSTM) method. The analysis encompasses reviews ranging from a rating of 1 (negative) to a rating of 5 (positive) out of a total of 193,749 reviews with an average rating of 4.9. Final data shows that 8,927 comments were collected for initial analysis, followed by preprocessing and analysis. Testing results indicate that the LSTM method achieved an accuracy of 76,80%, precision of 71%, recall of 70.%, and an F-measure of 76%. It can be concluded that the chatgpt application can function well and be received positively, which can then integrate this technology into the educational curriculum wisely, without replacing the important role of teachers in the learning process.
Penerapan Model Pembelajaran Montessori Dalam Meningkatkan Motivasi Belajar Dan Penguasaan Konsep Matematika Siswa Pre-Nursery Di Tk Global Sevilla Pulomas Jakarta Timur Mansjoer, Miranti; Susianna, Nancy
Jurnal Locus Penelitian dan Pengabdian Vol. 4 No. 9 (2025): : JURNAL LOCUS: Penelitian dan Pengabdian
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/locus.v4i9.4813

Abstract

Early childhood education is the provision of efforts to stimulate, guide, nurture, and provide learning activities that will produce children's abilities and skills. The motivation of learning and Mastery of learning concepts in Mathematics are very important to be introduced since early childhood education. Those two competencies need to be developed in Pre-Nursery Class Global Sevilla Pulomas. The research is done to analyze the Montessori Method in improving the students’ motivation in learning, and mastery of learning concepts in Mathematics. The Montessori method is used in this research. The research was conducted in Global Sevilla Pulomas with 9 students as subjects of study. Rubrics and Communication Reports are used to measure the students’ progress in their motivation of learning. The results show a significant increase of students’ grades from cycles one, two, and three. The average score of learning motivation in cycle one is 57.58, in cycle two 86.36, and in cycle three 92.42. The average score of mastery of learning concept in cycle one is 54.55 in cycle two 68.69, and in cycle three is 81.82. It can be concluded that the Montessori Method can improve learning motivation and mastery of learning concepts in Mathematics for Pre-Nursery students at Global Sevilla Pulomas.
The Effect of Benson's Relaxation on Blood Pressure in the Elderly in Hypertension Patients Riyanto, Dwi Agung; Rochman, Dadang
Jurnal Locus Penelitian dan Pengabdian Vol. 4 No. 9 (2025): : JURNAL LOCUS: Penelitian dan Pengabdian
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/locus.v4i9.4814

Abstract

Hypertension is a common health issue among the elderly and significantly impacts their quality of life. This study aims to evaluate the effectiveness of the Benson relaxation technique in reducing blood pressure in elderly individuals with hypertension at the Sajira Health Center. Using a pre-experimental method with a pretest-posttest design, measurements were taken before and after the intervention. Seventeen elderly participants with a history of hypertension were selected through purposive sampling. The results showed a significant reduction in blood pressure after the intervention. The average reduction in systolic blood pressure was 25.765 mmHg (SD = 13.917) and diastolic blood pressure was 14.118 mmHg (SD = 7.944). A paired sample t-test showed a significance value of p = 0.000, indicating a statistically significant effect of Benson relaxation in reducing blood pressure. Benson relaxation is effective in lowering blood pressure in the elderly and can be used as a non-pharmacological therapy. The Health Center can incorporate this technique into educational and promotive programs for hypertensive elderly individuals.
Contextual and Individual-Level Determinants of Physicians’ Acceptance of Electronic Medical Records: A Systematic Review Across Diverse Health Systems Satria, Alfan; Imran, Abdul Waris; Yacobus, Danny Jaya; Suryana, Hari; Yuliaty, Farida
Jurnal Locus Penelitian dan Pengabdian Vol. 4 No. 10 (2025): JURNAL LOCUS: Penelitian dan Pengabdian
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/locus.v4i10.4817

Abstract

The application of Electronic Medical Records (Rekam Medis Elektronik, RME) has great potential to improve the quality of health services, but the rate of acceptance by physicians still varies across different contexts. This study aims to identify individual and contextual factors that influence the acceptance of RME by physicians based on recent empirical studies. A systematic review was conducted through an article selection process using Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA). Articles were systematically searched using the keywords: "electronic medical record" AND "physician" AND "acceptance" AND "factor" in the PubMed and ScienceDirect databases. The review was guided by the PICO framework. For this study, P: Physicians, I: Factors influencing acceptance of RME, C: Comparisons between regions, health systems, or types of RME, O: Acceptance of RME. Eight studies met the inclusion criteria, and a narrative synthesis was conducted. The most dominant individual factors included attitudes, perceptions of ease of use, and digital literacy. Key contextual factors were organizational support, technology infrastructure, and leadership engagement. Variations in acceptance patterns were observed between high- and middle-income countries. The acceptance of RME by physicians’ results from a complex interaction between individual-level and contextual determinants. Therefore, implementation strategies for RME should emphasize training, organizational support, and local characteristics to promote sustainable adoption and utilization of EMRs.
Hubungan antara Kecemasan dengan Kejadian Obesitas pada Siswa Sekolah Menengah Atas Katolik Budi Murni Medan Simamora, Rizky Johanes Pratama
Jurnal Locus Penelitian dan Pengabdian Vol. 4 No. 10 (2025): JURNAL LOCUS: Penelitian dan Pengabdian
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/locus.v4i10.4820

Abstract

Saat ini di Indonesia dihadapkan pada overnutrition atau obesitas. Data baseline dari survei UNICEF pada tahun 2017 menyebutkan bahwa Indonesia memiliki angka obesitas yang tinggi pada orang dewasa dan angka ini terus meningkat dengan pesat. Angka remaja usia 16–18 tahun dengan berat badan berlebih telah naik signifikan di Indonesia pada tahun 2010 dari 1,4% menjadi 8,1% di tahun 2018. Di Sumatera Utara, proporsi obesitas pada penduduk yang berusia 16-18 tahun menurut Riskesdas 2018 adalah 3,8%-4,5%. Penelitian ini bertujuan untuk mengetahui Mengetahui hubungan antara kecemasan dengan kejadian obesitas pada siswa SMA Katolik Budi Murni Medan. Penelitian ini dilakukan dengan metode analitik observasional dengan cross sectional. Penelitian ini dilaksanakan pada bulan Juli 2023 di SMA Katolik Budi Murni Medan dengan menggunakan teknik cluster random sampling. Hasil IMT didapati mayoritas responden termasuk dalam kategori tidak obesitas sebanyak 72,8% dan 27,2% responden yang mengalami obesitas. Hasil dari kuesioner ZSAS didapati mayoritas responden sebanyak 48,5% termasuk dalam kategori tingkat kecemasan normal, responden dengan kategori tingkat kecemasan ringan-sedang sebanyak 46,6%, dan responden dengan kategori tingkat kecemasan parah sebanyak 4,9%. Berdasarkan hasil uji analisis chi-square didapati hasil p-value sebesar 0,014. Dalam penelitian ditemukan siswa SMA katolik Budi Murni Medan yang mengalami obesitas sebanyak 27,2%. Sebanyak 48,5% siswa SMA Katolik Budi Murni Medan memiliki tingkat kecemasan normal, 46,6% memiliki tingkat kecemasan ringan-sedang, dan 4,9% memiliki tingkat kecemasan parah. Berdasarkan hasil analisis, terdapat hubungan antara kecemasan dan kejadian obesitas pada siswa SMA Katolik Budi Murni Medan.
Sme Borrower Discourage Analysis In Indonesia And Malaysia: An Impact Analysis On Business Performance Sumaji, Yoseva Maria Pujirahayu; Whidya Utami, Christina; Bramantyo , Paskalis Dio
Jurnal Locus Penelitian dan Pengabdian Vol. 4 No. 9 (2025): : JURNAL LOCUS: Penelitian dan Pengabdian
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/locus.v4i9.4822

Abstract

Urgency of Research: SMEs in Indonesia and Malaysia are often constrained by capital or finance. The results of the identification showed that application costs, and self-efficacy were the causes of Discourage Borrower (DB). On the other hand, the condition of Dicourage Borrower affects the performance of SMEs in Indonesia and Malaysia. Considering that the findings are still partial, this study seeks to integrate the role of Borrower Discourage and the aspect of efficiency moderation for SME business performance in Indonesia and Malaysia. The purpose of this study is (a) to analyze the determinant of discouraged borrowers, namely application fees, whether it affects the performance of SMEs in Indonesia and Malaysia.( b) to analyze whether the determinant of discouraged borrowers, namely self-efficacy, has an effect on the performance of SMEs in Indonesia and Malaysia. (c) efficiency strengthens the influence of application costs and self-efficacy on the performance of SMEs in Indonesia and Malaysia. Research Methods: The research sample in Indonesia was 146 SMEs and 136 SMEs in Malaysia. The data was processed using SEM PLS. And ANOVA uses SPSS to compare the situation of SMEs in Indonesia and Malaysia. Research findings: are to analyze (1) the determinant of discouraged borrowers, namely application fees, has a significant effect on the performance of SMEs in Indonesia and Malaysia (2) the determinant of discouraged borrowers, namely self-efficacy, does not have a significant effect on the performance of SMEs in Indonesia and Malaysia. (3) efficiency is not significant in strengthening the influence of application fees on the performance of SMEs in Indonesia and Malaysia (4) efficiency strengthens the significant influence of Self-Efficacy on the performance of SMEs in Indonesia and Malaysia (5) Self-efficacy does not have a significant effect on the performance of SMEs in Indonesia and Malaysia (6) Efficiency has a significant effect on the performance of SMEs in Indonesia and Malaysia.( 7) Meanwhile, the comparison between the situation of Indonesia and Malaysia shows that if the borrower discourage is high, high self-efficacy will improve the performance of SMEs in Indonesia and Malaysia (8) While the comparison between the situation of Indonesia and Malaysia shows that the high application cost will be high efficiency so that the performance of SMEs in both Indonesia and Malaysia will be better. (9) Meanwhile, the comparison between the situation of Indonesia and Malaysia shows that when the efficiency is high and the efficiency is high, the performance will be better than the low efficiency. This situation is the same in both Indonesia and Malaysia

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