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Formosa Journal of Science and Technology (FJST)
Published by PT FORMOSA CENDEKIA GLOBAL
ISSN : -     EISSN : 29646804     DOI : https://doi.org/10.55927/fjst.v1i2
Core Subject : Humanities, Science, Education, Social, Engineering,
Humanities Computer Science & IT Education Industrial & Manufacturing Engineering Social Sciences
Formosa Journal of Science and Technology (FJST) is an open-access scientific journal that publishing full-length research papers and review articles covering subjects that fall under the wide spectrum of science and technology. FJST journal is dedicated towards dissemination of knowledge related to the advancement in science and technology. The prestigious interdisciplinary editorial board reflects the diversity of subjects covered in this journal. Under the realm of science and technology, the coverage includes environmental science, pure and applied mathematics, agricultural research and engineering, biology, biotechnology, bioinformatics, management science, business and economics, Healthcare sciences (including clinical medicine, preventive medicine & public health), physics, biophysics, computer science, chemistry and bioengineering, to name a few. Formosa Journal of Science and Technology is published by Formosa Publisher. The journal now brings out monthly publications. It supports the open access policy for making scientific research accessible to one and all.
Arjuna Subject : Umum - Umum
Articles 896 Documents
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Management of Biological-Agent Utilization in Swampland Rice Farming: A Case Study in South Sumatra, Indonesia Icuk Muhammad Sakir; Zahrul Akmal Damin; Desinta; Lisdiana; Sherly Desliyanah
Formosa Journal of Science and Technology Vol. 5 No. 2 (2026): February 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v5i2.134

Abstract

This study aims to assess the application of biological agents to enhance rice productivity in the lowland swamp areas of Pemulutan District, Ogan Ilir Regency, South Sumatra. Employing a qualitative research methodology with a field research approach, data were gathered through direct observation and informant interviews. The findings indicate a significant in-crease in the utilization of biological agents for boosting rice yields in the specified region. Specifically, harvested yields from a demonstration plot averaged 8.1 tons per hectare, totaling 24.3 tons across 3 hectares. This represents a 15.1 percent per hectare increase compared to 2022 production figures, which recorded 5.4 tons per hectare (16.2 tons for 3 hectares) using the same rice varieties, Ciherang and IR 42. The improvement in rice production is attributed not only to the application of biological agents but also to the systematic implementation of planning, organization, mobilization, and monitoring by ob-servers, plant pest controllers, extension workers, and farmers
Effluent Quality Trends of a Vocational School WWTP (2021–2024) and Performance of a Mini Water Hyacinth Wetland as a Polishing Unit Desrita Gevia; Erismar Amri; Nefilinda
Formosa Journal of Science and Technology Vol. 5 No. 2 (2026): February 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v5i2.18

Abstract

This study evaluates whether effluent compliance also implies ecological safety in a vocational-school WWTP in Padang, Indonesia. We analyzed semester effluent data (2021–2024) and an influent–effluent snapshot (October 2025), then tested a mini water hyacinth wetland as a polishing unit (Eichhornia crassipes; 13 L; ~8-day HRT). Variables included pH, BOD, COD, NH3-N, and selected metals. COD and BOD consistently met the national effluent standard, whereas pH showed episodic extremes. Snapshot removal was high for organics (BOD 98.9%; COD 90.4) but moderate for NH3-N (47.1%) under acidic influent. The wetland raised pH and improved Fe/Cu removal yet increased COD and NH3-N, indicating a need for better pH control, nitrification, and polishing design
Cost-Effective Analysis of Aspirin and Clopidogrel Therapy in Hospitalized Ischemic Stroke Patients at Mataram City Hospital Akhmad Nurfahmi; Lucia Vita Inandha Dewi; Gunawan Pramudji Widodo
Formosa Journal of Science and Technology Vol. 5 No. 2 (2026): February 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v5i2.17

Abstract

Ischemic stroke is one of the diseases with the highest death cases in Indonesia. So stroke patients often need further treatment and long-term rehabilitation. To determine the cost-effectiveness and therapy of aspirin and clopidogrel in ischemic stroke patients by looking at the GCS score of hospitalization at Mataram City Hospital, and to determine the most cost-effective therapy based on ACER and ICER. The research method used was observational descriptive and data collection was carried out retrospectively through patient medical records and financial details data. The sample met the inclusion criteria of 78 people, the sample was analyzed quantitatively by the Independent sample t-test analysis method. The results showed that the total cost of treatment for ischemic stroke patients treated with antiplatelets was the highest in the VIP class clopidogrel group of Rp 5,400,015 and VIP class aspirin Rp 4,982,370 The increase in the highest GCS score of aspirin in class ll was 2.84 and clopidogrel class lll was 2.45. The most cost-effective ACER values of all antiplatelet treatment classes are aspirin VIP class Rp 2,129,218, class l Rp 1,785,451, class ll Rp 1,700,509, class lll Rp 1,380,574 and ICER value in class l Rp -1,993,315 and class lll Rp -1,555,950. The ACER scores of all treatment classes showed that aspirin had the lowest scores. Based on sensitivity analysis and tornado diagrams, clopidogrel showed higher results so that aspirin was more cost-effective than clopidogrel. The use of aspirin antiplatelets was more cost-effective than clopidogrel from all direct medical cost data of ischemic stroke patients
Constitutional Interpretation Dynamics in Recent Decisions of the Constitutional Court of Indonesia Muhammad Husnu Abadi
Formosa Journal of Science and Technology Vol. 5 No. 2 (2026): February 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v5i2.15

Abstract

The development of constitutional judicial practice in Indonesia shows that the interpretation of the constitution by the Constitutional Court is not static, but experiences dynamics along with changes in the legal, political, and social context. This condition creates an urgency to examine in depth the direction and pattern of constitutional interpretation used by the Constitutional Court in its latest decisions, given its significant implications for the constitutional system and the protection of citizens' constitutional rights. This study aims to analyze the dynamics of constitutional interpretation in the recent Indonesian Constitutional Court decisions, focusing on the interpretation methods used and the form of shifting interpretation approaches that occur. This study uses a normative juridical approach with a case study method of six Constitutional Court decisions, which are collected through a documentary study of the law testing decisions and analyzed qualitatively through content analysis techniques and comparison between decisions. The results of the study show that the Constitutional Court tends to adopt a teleological and progressive interpretation in strategic matters, accompanied by variations in the application of judicial activism and judicial restraint approaches, which reflects shifts and inconsistencies in the interpretation of the constitution in certain contexts. This study concludes that the dynamics of constitutional interpretation by the Constitutional Court contribute to the evolution of constitutional law in Indonesia, while affirming the strategic role of the Constitutional Court in shaping the direction of constitutional practice through the construction of constitutional meaning
Local Crops and Household Food Security in Timor-Leste: A PRISMA-Guided Systematic Review and Food-Systems Synthesis Vicente de Paulo Correia; Joana da Costa Freitas; Vicente Manuel Luis Guterres; Celso Ximenes
Formosa Journal of Science and Technology Vol. 5 No. 2 (2026): February 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v5i2.14

Abstract

Food insecurity in Timor-Leste remains a chronic and seasonal condition that disproportionately affects rural households dependent on rain-fed subsistence agriculture, reflecting persistent structural weaknesses within local food systems. Although local crops have long supported traditional diets and household coping strategies, their integrated role in shaping food security outcomes has not been systematically consolidated across empirical research. This study aims to synthesize and interpret empirical evidence on the contribution of local crops to household food security in Timor-Leste using a food-systems perspective. A PRISMA-guided systematic literature review was conducted through structured searches of major academic databases, resulting in the inclusion of 40 eligible empirical studies that were analyzed using a narrative synthesis organized around the four dimensions of food security availability, utilization, and stability. The findings demonstrate that food insecurity is driven less by national food supply shortages than by seasonal production gaps, post-harvest losses, weak market integration, and increasing reliance on imported staples. Local crops, particularly maize, legumes, and wild foods, play a central role in stabilizing seasonal food availability, buffering household food shortages, and strengthening social coping mechanisms at the community level. The sustainability of these contributions is shaped by agroecological suitability, community-based seed systems, social, post-harvest management practices, and policy coherence across agriculture, nutrition, and market domains. The study concludes that repositioning local crops as socio-ecological assets within integrated and locally grounded food-systems strategies is essential for improving household food security and informing more effective and context-sensitive policy interventions
Strategic Change Management Practices for Enhancing Organizational Adaptability in Dynamic Environments Wahyudi
Formosa Journal of Science and Technology Vol. 5 No. 2 (2026): February 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v5i2.13

Abstract

Changes in the increasingly dynamic organizational environment demand the implementation of strategic change management that is not only normative, but also contextual and adaptive. However, empirical studies that explore the real practice of strategic change management in the context of public organizations in Indonesia are still relatively limited, especially at the micro-organizational level. This research aims to examine in depth the strategic change management practices applied in improving organizational adaptability in a dynamic environment. The research uses a qualitative approach with an exploratory case study design conducted on one Regional Apparatus Organization of the Semarang City Government. Data was collected through semi-structured in-depth interviews with four purposively selected key informants, consisting of one strategic leader, two change implementers, and one affected staff, and supported by an analysis of organizational documents. Data analysis was carried out using thematic analysis techniques through the stages of open coding, axial coding, and selective coding. The results show that organizational adaptability is influenced by participatory strategic change management practices, continuous change communication, adaptive leadership, and flexibility in adjusting policies and work procedures. This study concludes that contextual and dynamically based strategic change management practices of local public organizations are able to strengthen organizational adaptability in a sustainable manner. These findings contribute to the enrichment of the literature on strategic change management by offering a model of organizational adaptability based on the context of Indonesian public organizations and provide practical implications for change management in the public sector
Plastic Waste-Based Activated Carbon Adsorption Optimization Model Using Machine Learning to Improve the Quality of Domestic Liquid Waste Ikbal Oktaviansyah; Ridwan Sanjaya; Bernardinus Harnadi
Formosa Journal of Science and Technology Vol. 5 No. 2 (2026): February 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v5i2.12

Abstract

Environmental pollution from plastic waste and domestic liquid waste requires innovative, sustainable solutions. This study explores the integration of plastic-based activated carbon adsorption technology with a machine learning approach for the optimization of domestic liquid waste treatment through the Systematic Literature Review method. A literature search was conducted on the Scopus, Web of Science, ScienceDirect, and Google Scholar databases for the period 2021-2025, resulting in 10 high-quality articles that were comprehensively analyzed. The synthesis results showed that activated carbon from PET, PVC, and chemical activated plastic waste produced a material with a BET surface area of 800-1500 m²/g and an adsorption capacity of 1086 mg/g comparable to commercial products. Specific surface area parameters and initial concentrations of pollutants were the most dominant factors with a combined contribution of more than 43% to the removal efficiency. Machine learning algorithms such as Extreme Gradient Boosting, Gaussian Process Regression, and multimodal deep learning achieve very high prediction accuracy with R² up to 0.99 and RMSE below 5 mg/g. Optimization based on metaheuristic algorithms increases adsorption capacity by up to 15.40% with material reusability reaching 70-90% after five cycles. Competitive production costs ($13.75/kg) and low carbon footprint (5.92 kg CO₂/kg) make this technology a sustainable solution that supports the circular economy. The framework developed provides a scientific foundation for the implementation of an efficient and environmentally friendly liquid waste treatment system
The Influence of Education and Leaflet Media on Community Attitudes Regarding the Storage and Disposal of Drugs in North Gading Rejo Village Ratih Ratnamaya; Ageng Hasna Fauziyah; Pudji Rahayu
Formosa Journal of Science and Technology Vol. 5 No. 2 (2026): February 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v5i2.11

Abstract

This study aims to analyze the influence of education and leaflets on community attitudes regarding drug storage and disposal in Gading Rejo Utara Village, Pringsewu. The innovation of this study lies in the use of leaflets as an educational intervention at the village level. The study used a quantitative descriptive design with a pretest–posttest approach to 111 respondents selected using a quota sampling technique. The variables studied included community attitudes regarding drug storage and disposal. Data collection was conducted through questionnaires from February–April 2025. The results showed a significant increase in community attitudes after the intervention, so that education using leaflets had positive implications for safe and appropriate drug management in households
Organizational Sense Making of Automated Financial Data Recording Practices Syarifah Massuki Fitri
Formosa Journal of Science and Technology Vol. 5 No. 2 (2026): February 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v5i2.10

Abstract

This study explores how organizations construct sensemaking around automated financial data recording practices in the context of digital transformation in accounting. Using a qualitative case study approach, data were collected through in-depth interviews, observations, and document analysis in organizations implementing automated accounting systems. The findings indicate that automation not only transforms accounting workflows but also reshapes professional roles, perceptions of data reliability, and internal control mechanisms. Organizational sensemaking is shaped by prior experience, technological literacy, and power dynamics. This study contributes theoretically to understanding the interaction between accounting technology and organizational social processes, and practically to guiding context-sensitive strategies for implementing automated accounting systems
Bibliometric Analysis of Research Trends on Food Waste and Food Loss (2014–2024): Subject Area Trends and Global Collaboration Iman Jaladri; Yanuarti Petrika; Jonny Syah R Purba; Didik Haryadi
Formosa Journal of Science and Technology Vol. 5 No. 2 (2026): February 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v5i2.9

Abstract

Food waste and food loss are strategic issues in the food and nutrition sector that have a wide impact on environmental sustainability, food security, and global economic efficiency. The increase in the volume of food waste encourages the development of cross-disciplinary research, so comprehensive scientific mapping is needed to understand the direction and dynamics of its development. This study aims to analyze trends, knowledge structures, subject areas, and global collaboration patterns of food waste research and food loss during the period 2014–2024. The study used a bibliometric approach with data sources derived from the Scopus database, covering 5,390 journal articles analyzed using VOSviewer software and Microsoft Excel. The analysis was conducted to identify annual publication trends, geographical distribution, author and institutional productivity, dominant area subjects, and thematic clusters of research. The results show a significant increase in the number of publications until it peaked in 2022, with China's dominance in the number of articles, institutional affiliations, and scientific collaboration networks. However, the articles with the highest citation rates and journals with the greatest scientific impact are still dominated by European and American countries, indicating a gap between the quantity of publications and global scientific influence. In terms of subject areas, research is dominated by Environmental Sciences, Energy, and Engineering, while the contribution of Social Sciences and Economics is relatively limited. Overall, this study emphasizes the importance of a multidisciplinary approach and strengthening a more balanced international collaboration to improve the quality, relevance, and global impact of food waste and food loss research in supporting sustainable food systems

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