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Journal Of World Science
Published by Riviera Publishing
ISSN : 28288726     EISSN : 28289307     DOI : https://doi.org/10.58344/jws.v1i1.1
Core Subject : Economy, Health, Science, Social, Engineering,
Computer Science & IT Economics, Econometrics & Finance Engineering Health Professions Law, Crime, Criminology & Criminal Justice Social Sciences
Journal Of World Science is a scientific journal in the form of research and can be accessed openly. This journal is published monthly by CV Riviera Publishing. Journal of World Science provides a means for ongoing discussion of relevant issues that fall within the focus and scope of the journal that can be empirically examined. The journal publishes research articles covering all aspects of social sciences, ranging from Management, Education, Economics, Culture, Law, Engineering sciences, Social and Sains that belong to the social context.
Arjuna Subject : Bisnis, Menejemen, dan Akutansi (semua kategori) - Bisnis, Menejemen, dan Akutansi (Lain-Lain)
Articles 692 Documents
 66   67   68   69   70 
Risk Analysis of the Supply Chain of Building Project Construction Materials (Hasna Medika Majalengka Heart Clinic) Dwi Nah Vasa; Nada Azharul Jannah; Bayu Nugraha; Lutfi Marantica
Journal of World Science Vol. 5 No. 6 (2026): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v5i6.1673

Abstract

This research aims to analyze risks in the construction material supply chain to ensure the efficiency and success of the project. The study focuses on the strategic project for the construction of the Hasna Medika Heart Clinic Building in Majalengka, where the dependence on material availability and supply chain complexity makes risk management crucial to prevent delays and cost overruns. The research methods used are a mixture of qualitative and quantitative, including field observations, interviews, and preliminary and main surveys to seven and ten expert respondents from contractors and suppliers. Data are analyzed to identify and assess the frequency of risk emergence. The results of the study identified 18 risk variables. The analysis shows differences in antara_kontraktor_dan_supplier perceptions of the most sering_terjadi risiko_yang. The contractor noted the main risk on the change of order (A2, 27.78%), additional requests from the owner (A5, 25.93%), and increases in material prices (A16, 27.78%). Meanwhile, suppliers are more concerned about inaccurate schedules from contractors (A1, 25.93%) and delivery delays due to payment problems (A9, 25.93%). However, both sides reached consensus on two of the most critical risks that are equally frequent, namely ineffective communication (A12) and rising material prices (A16).  In conclusion, effective communication and price fluctuation management are the key priorities for mitigating supply chain risks in construction projects, and contractors and suppliers should establish transparent coordination mechanisms and adaptive budget planning to prevent delays and cost overruns.
Retrofitting Digestate Recirculation System to Improve Methane Yield in Anaerobic Digestion Elang Nur Reiz M N Insaani; Hafif Dafiqurrohman; Adi Surjosatyo; Cindy Rianti Priadi; Baskoro Lokahita
Journal of World Science Vol. 5 No. 6 (2026): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v5i6.1675

Abstract

Digestate recirculation has gained attention as a promising strategy to enhance methane production. By reintroducing acclimatized microorganisms and residual biodegradable compounds into Anaerobic digestion (AD) system, this approach can potentially improve process stability and biogas quality. To systematically evaluate these effects, modeling and simulation offer a reliable framework for assessing methane yield. This study aims to assess the feasibility of simulating methane production from an anaerobic digestion reactor using food waste (FW) as the primary feedstock, incorporating a digestate recirculation system. It is hypothesized that recirculated digestate, due to its high organic content and catalytic properties, can effectively enhance biogas quality and optimize energy recovery from the system. A process flow diagram was developed in Aspen Plus® version, incorporating the four main biochemical stages: hydrolysis, acidogenesis, acetogenesis, and methanogenesis. The Non-Random Two-Liquid (NRTL) thermodynamic model was applied to represent polar mixture components, and a total of 46 governing equations were implemented to describe anaerobic digestion kinetics and mass balances. Model performance was validated against data reported in previous studies. Simulation results indicate that increasing the recirculation ratio up to 30% into feedstock mixture enhances both methane up to 25% higher compared to baseline and biogas production up to 32% higher than baseline. The findings demonstrate that the usage of recirculated digestate could improve the biogas quality. The developed modeling framework shows strong potential for scalability and can be applied to optimize methane production in anaerobic digestion systems with similar feedstock compositions and operating conditions.
From Lowest Unit Price to Lowest Total Supply Risk: A System Shift Framework for Resilience in the Global Generic Pharmaceutical Industry Raymond R. Tjandrawinata
Journal of World Science Vol. 5 No. 6 (2026): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v5i6.1676

Abstract

Generic medicines are routinely framed as a success of price competition, yet recent evidence suggests that the same competitive architecture which lowers unit prices may also weaken supply resilience. Drug shortages, approved-but-unlaunched generics, geographically concentrated active pharmaceutical ingredient (API) production, sterile-injectable vulnerabilities, and the rising technical complexity of biosimilars indicate that the global generic pharmaceutical industry is undergoing a deeper system transition. This article developed a System Shift framework to analyse these structural challenges, linking seven analytical factors: system condition, domain lock, actors, chokepoints, position, strategy, and feedback. Using a public-source qualitative comparative case analysis of twenty companies across global, Indian, European, North American, Chinese, Korean, South African, and Southeast Asian contexts, the paper identifies recurring patterns of vulnerability and strategic adaptation. The analysis shows that generic firms are not a homogeneous low-margin group; they include global off-patent platforms, vertically integrated Indian exporters, sterile-injectable specialists, biosimilar platforms, regional branded-generic leaders, and national manufacturers. Across these archetypes, the dominant feedback signal remains lowest unit price, while quality maturity, supplier redundancy, and launch reliability remain weakly rewarded. The central conclusion is that generic pharmaceutical governance must shift from a cheapest-unit paradigm toward a lowest-total-supply-risk paradigm. Procurement, regulation, and corporate strategy must incorporate multi-award tendering, explicit supply-security criteria, accelerated regulatory variation pathways, resilient API sourcing, and transparent shortage-prevention feedback loops. The paper contributes a conceptual and policy framework for reinterpreting generic medicines as resilience infrastructure rather than merely low-cost therapeutic substitutes.
The Effect of Massage for The Common Cold Using Syzygium Aromaticum on Reducing Cough Symptoms in Toddlers at The Dede Child Health Center in Purwakarta in 2026 Dede Yiyin Zdulhijjah; Armiyanti Armiyanti; Ewith Widiya Mareta
Journal of World Science Vol. 5 No. 6 (2026): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v5i6.1679

Abstract

Cough and cold symptoms in toddlers, as part of Acute Respiratory Infections (ARI), remain a common health problem with a high incidence rate. Common Cold Massage using Syzygium aromaticum is believed to provide relaxation and anti-inflammatory effects that may help relieve respiratory symptoms. This study aims to evaluate changes in cough and cold symptoms among toddlers following Common Cold Massage using Syzygium aromaticum at TPMB Dede Purwakarta, West Java, Indonesia, in 2026. This quasi-experimental study employed a one-group pretest-posttest design and was conducted at an independent midwifery practice (TPMB Dede Purwakarta) from February to May 2026. A total of 50 toddlers who met the inclusion criteria were recruited using total sampling. Data were collected using a cough and cold symptom observation sheet, a massage standard operating procedure checklist, and a questionnaire. Changes in symptom scores before and after the intervention were analyzed using the Wilcoxon signed-rank test. Cough and cold symptom scores significantly decreased following Common Cold Massage using Syzygium aromaticum (p = 0.001). Moderate symptoms decreased from 82% before the intervention to 10% after the intervention, while 16% of toddlers experienced no symptoms after treatment. These findings indicate an association between the intervention and reduced symptom severity. Common Cold Massage using Syzygium aromaticum was associated with a significant reduction in cough and cold symptoms among toddlers at TPMB Dede Purwakarta in 2026. However, the absence of a control group and the use of a single study setting may limit causal inference and the generalizability of the findings.
Psychoeducation and Resilience Building for Students from Broken Homes: an Intervention Study at SMKN 1 Girisubo Suratmi Lestari; Nurhasanah Putri; Hanan Akilah; Yusriyyah Al Mufiidah; Nurul Hidayah
Journal of World Science Vol. 5 No. 6 (2026): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v5i6.1680

Abstract

The phenomenon of broken home families is a significant risk factor for adolescent mental health, particularly in terms of emotion regulation and resilience. This study aimed to test the effectiveness of a psychoeducation and resilience-building program for students from broken home families at SMKN 1 Girisubo. The study used a pre-experimental one-group pretest–posttest design involving 37 students. The intervention was carried out through psychoeducation, emotion regulation training, and the strengthening of coping strategies. Data were analyzed using descriptive statistics and a paired-samples t-test. The results showed no significant differences in the variables of broken home status (p = 0.715) and resilience (p = 0.947). However, descriptively, there was an increase in students’ psychological understanding. These findings indicate that short-term interventions were not yet effective in increasing resilience; therefore, a more intensive and sustainable approach is needed.
Legal Protection of Workers Against Overtime Work Practices Without Wage Payment Based on Law Number 6 of 2023 Concerning Job Creation Fabiani Nur Ayesha El Adawiyah; Endang Sutrisno
Journal of World Science Vol. 5 No. 6 (2026): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v5i6.1681

Abstract

Problems regarding the implementation of overtime work without the payment of overtime wages are still frequently found in employment relationships, even though the protection of these rights has been regulated under Law Number 6 of 2023 concerning Job Creation and Government Regulation Number 35 of 2021. This study aims to examine the forms of legal protection for workers who do not receive overtime wages and to analyze the law enforcement mechanisms applied to companies that disregard workers’ normative rights. This study uses a normative juridical method with a conceptual approach, strengthened by interview data from the Manpower Office, the Regional Technical Implementation Unit (Unit Pelaksana Teknis Daerah/UPTD) for Manpower Supervision Region III Cirebon, and workers. The results of the study show that the provision of overtime wages is a legal obligation that must be fulfilled by companies for workers who work beyond normal working hours. However, violations of this obligation still occur for various reasons, including limitations in companies’ financial conditions and companies’ operational demands. Legal protection for workers is carried out through preventive measures in the form of guidance, public dissemination, and labor supervision, as well as repressive measures through inspections, the issuance of inspection memorandums, and the application of criminal sanctions. These findings show that the effectiveness of legal protection for overtime wage rights still requires strengthened supervision and law enforcement so that workers’ normative rights can be optimally fulfilled.
An Analysis of the Use of Music as Stroke Therapy Among the Congregation of GBI Victory Poris Indah Lidya Elisabeth
Journal of World Science Vol. 5 No. 6 (2026): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v5i6.1683

Abstract

This research aims to analyze the use of music as a therapeutic intervention in the stroke recovery process of a pastor from GBI Victory Poris Indah, who served as the main subject (HK). Stroke is a neurological disorder that not only affects physical function but also causes psychological problems such as anxiety, stress, and reduced quality of life. This research employs a qualitative approach with a narrative descriptive design. Data were collected through in-depth interviews, observations, and documentation involving three informants, including the main subject and two companions during the recovery process. The findings reveal that HK unconsciously applied music therapy through three main activities: listening to spiritual and instrumental music, singing combined with breathing exercises, and writing as well as composing song lyrics. These activities were performed consistently every day during the post-stroke recovery period. The results indicate positive changes in emotional, physiological, and cognitive conditions, including reduced anxiety levels, improved emotional stability, enhanced speech function, and gradual recovery of motor abilities. Theoretically, the findings support the concept of brain neuroplasticity, which suggests that repeated stimulation such as music can promote the formation of new neural connections in damaged brain areas. Moreover, music acts as a positive distraction that reduces sympathetic nervous system activity. Therefore, music can be considered a potential non-pharmacological intervention that supports independent and holistic stroke rehabilitation.
Implementation of Policies on The Provision of Services to The Community of Kuningan Regency at SAMSAT Adinda Salwa Salsabila; Siti Khumayah
Journal of World Science Vol. 5 No. 7 (2026): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v5i7.1684

Abstract

The One-Stop Integrated Administration System (SAMSAT) is a public institution responsible for motor vehicle administration. In practice, several issues remain, such as burdensome procedures, disruptions to technology-based service systems, variations in service quality as perceived by the public, and coordination problems. These conditions indicate a discrepancy between established service policies and their implementation in practice. Drawing on Mirelee S. Grindle’s theory, this study aimed to analyze the implementation of service policies at SAMSAT Kuningan, identify the factors supporting and hindering their implementation, and formulate strategies to improve policy implementation. This research employed a descriptive qualitative approach, with data collection techniques including observation, documentation, and interviews. The results indicated that the implementation of service policies at SAMSAT Kuningan had generally proceeded adequately based on indicators of policy content and implementation context. However, several operational challenges persisted, including information system disruptions, suboptimal use of digital services by some members of the public, and complaints regarding service responsiveness. Inter-agency cooperation, availability of service facilities, and digital service innovations were identified as key supporting factors in implementation.
Legal Analysis of The Non-Processing Revitalization Project of Jungjang Market in Cirebon Regency Legian Dwi Ratsa; Mohamad Sigit Gunawan
Journal of World Science Vol. 5 No. 7 (2026): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v5i7.1685

Abstract

Following the 2015 fire, Jungjang Market was revitalized through a Bangun Guna Serah (BGS), or Build-Operate-Transfer (BOT), partnership between the Jungjang Village Government and PT Dunia Milik Bersama. However, the project has been stalled since August 2023 due to its unilateral termination by the Jungjang Village Government, resulting in losses for investors and traders. This study aims to analyze the authority of the Village Government in the Jungjang Market revitalization project, assess the project termination from the perspective of abuse of authority, and investigate the forms of accountability and legal remedies available to the injured parties. This research employs a normative-empirical legal approach by examining primary legal materials, including Law Number 6 of 2014, Law Number 25 of 2007, Law Number 30 of 2014, and Law Number 31 of 1999, as well as secondary legal materials. The empirical aspect was conducted through interviews with stakeholders, including the Village Government, investors, traders, and relevant agencies, as well as field observations. The results of the study indicate that the Jungjang Village Government had the authority to carry out the BGS/BOT partnership. However, the unilateral termination of the project fulfilled the elements of abuse of authority because it was carried out without a clear legal basis, exceeded the scope of authority, and disregarded the agreed dispute resolution mechanism. Investors may pursue arbitration, civil lawsuits, or lawsuits before the State Administrative Court (Pengadilan Tata Usaha Negara/PTUN), while traders may file claims for compensation.
Analysis of the Impact of Overtime on Work Productivity and Occupational Safety and Health in the Lembean–Marawas Road Project in North Minahasa Regency Jeny Lembang; Arthur H. Thambas; Grace Yoyce Malingkas
Journal of World Science Vol. 5 No. 7 (2026): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v5i7.1688

Abstract

This study aimed to analyze the effects of work motivation (X1), occupational health (X2), and occupational safety (X3) on worker productivity (Y) during overtime implementation in the Lembean–Marawas Road Preservation Project, North Minahasa Regency, and to evaluate the effectiveness of overtime work on workers’ physical productivity. The study employed a quantitative approach, with data collected through questionnaires distributed to 24 respondents and analyzed using IBM SPSS Statistics and Jamovi for validation and comparative testing. The F-test results indicated that work motivation, occupational health, and occupational safety simultaneously had a significant effect on worker productivity (F-count = 6.224; Sig. = 0.004), explaining 48.3% of the variance in productivity (R² = 0.483). Among the independent variables, work motivation had the strongest influence, with the highest regression coefficient (0.482). The physical productivity analysis showed that overtime was effective for stone masonry work (E = 1.0675) but ineffective for BJTP-280 plain reinforcement steel work (E = 0.4155), indicating that overtime effectiveness varied depending on the type of construction activity. The results obtained from SPSS and Jamovi produced consistent values, confirming the reliability of the statistical analysis.

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