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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 612 Documents
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The Role of Probiotics as Adjuvant Therapy for Irritable Bowel Syndrome in Children Rizky, Ananda
Journal of World Science Vol. 4 No. 8 (2025): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v4i8.1473

Abstract

Irritable Bowel Syndrome (IBS) is a functional gastrointestinal disorder (GGIF) that is not caused by disease or organ damage. The exact pathophysiological mechanisms underlying IBS are still unknown. The pathogenesis of IBS involves alterations of gastrointestinal motility, post-infection reactivity, visceral hypersensitivity, gut-brain interactions, microbiota dysbiosis, bacterial overgrowth in the small intestine, sensitivity to food, carbohydrate malabsorption, and intestinal inflammation. Evidence of the efficacy of most pharmacological treatments for IBS is still weak, leading to unsatisfactory symptom control or the possibility of adverse reactions in many patients. The method of writing this article is in the form of a narrative review from various sources including google scholar, PubMed, and science direct with the keywords "irritable bowel syndrome" and "child" to summarize the role of probiotics as adjuvant therapy in the management of IBS in children. Probiotics are emerging as a new therapeutic option in gastrointestinal functional disorders (GGIF), along with the recognition of the importance of the gut microbiota in influencing brain-gut interactions, as well as the role of intestinal infections in the genetics of post-infectious gastrointestinal functional disorder (GGIF-PI). Therefore, probiotics have the potential to play a relevant role in the management of GGIF, both through their effects on the gut microbiota and through alterations of brain function and pain perception centrally.
Supply Planning Optimization Under Uncertainties in Vaccine Manufacturer Djojopoespito, Setiono
Journal of World Science Vol. 4 No. 8 (2025): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v4i8.1475

Abstract

Indonesian and global health issues that influence each other's welfare and standard of living create the need for constant availability of vaccines that can be relied upon by the public and also the current competition in the vaccine industry that requires precise and efficient sales and operational planning to be able to meet customer needs in the market. This needs to be supported by a supply planning process, where all parties in supply line can coordinate in achieving demand fulfillment. However, in its implementation, there are several obstacles, including uncertainties in demand planning, facility and equipment downtime, regulation changes, distortion of information between lines of production, engineering division, material resource planning, due to different targets, poor communication, processing speed, accuracy and synchronization of data to the system. In this Journal, a supply planning optimization  framework concept will be proposed that makes the cross-functional alignment at a vaccine company in Indonesia more effective and efficient. In this journal, key aspects of supply planning will be discussed that can influence the direction of fulfillment planning in the company. A research approach through design thinking with related functions will be used to extract information in more depth. It is hoped that the resulting framework design can be a reference not only for practitioners but also for academics in understanding the importance of the role of supply planning which is able to integrate cross-functional interests in the supply chain.
Analysis Of Thrift Ball Sale And Purchase Practices From The Perspective Of Islamic Economic Law Najla Azzahra, Zumara
Journal of World Science Vol. 4 No. 8 (2025): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v4i8.1476

Abstract

This research aims to analyze the practice of buying and selling contracts in thrift ball businesses from the perspective of Islamic economic law. Thrift ball, or the sale of imported second-hand clothing in bulk, has become an increasingly popular business phenomenon in Indonesian. This practice raises various legal issues, including compliance with Sharia principles that emphasize fairness, transparency, and legality in transactions. This study uses a normative approach with case study methods and conceptual approaches, where data is collected through in-depth interviews, observations, and analysis of related documents. The results of the study show that although there are some violations of Sharia principles, such as unclear information regarding the condition of the goods and their origin, this practice can be adjusted to better align with Sharia provisions.
Cross-Sectional Analysis of the Cisanggarung River Against Flooding in Babakan Village Using the HEC-RAS Program Ikram, Fadhli Dzil; Franandi, Muhammad Ghafar; Akyono, Akyono; Tribhuwana, Awliya
Journal of World Science Vol. 4 No. 8 (2025): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v4i8.1477

Abstract

Floods are hydrometeorological disasters that significantly affect communities, infrastructure, and the environment. This study aims to assess the capacity of the Cisanggarung River to accommodate flood discharge flow using HEC-RAS software. The analysis was based on rainfall data from three observation stations: Losari Station, Cangkuang Station, and Gebang Station. The research utilized frequency analysis, probability distribution tests, and hydrological and hydraulic simulations to evaluate the river's ability to handle floodwaters. The findings indicated that the current cross-section of the Cisanggarung River is insufficient to accommodate the planned flood discharge of 904.8 m³/sec, suggesting the need for river normalization efforts. This study provides critical insights for flood mitigation strategies, including infrastructure improvements and watershed management optimization. By implementing effective mitigation measures, the risk and impact of flooding in the region can be significantly reduced, contributing to improved flood resilience and urban planning.
Analysis Of Quarry Material Characteristics In Reclamation Work Using Sand Cone And CBR Methods (Case Study: Patimban Port Package 5) Alfahreza, Alvin; Firmansya, Aldi; Arya Faza, Sultan; Firmanto, Arief
Journal of World Science Vol. 4 No. 8 (2025): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v4i8.1478

Abstract

Soil compaction is an important process in reclamation work because it has a direct effect on the carrying capacity and stability of the structure built on it. This study was conducted in one of the specific work zones of Area C1a in the Patimban Port reclamation project, where sand material from various quarry sources is used, each having different physical characteristics that can affect the success of compaction. This study aims to analyze and compare the results of material compaction from four different quarries using the field density test (sand cone) and laboratory carrying capacity test (CBR) methods. The research methodology includes the analysis of physical characteristics such as particle size distribution and sludge content, as well as compaction quality testing after applying the same number of vibratory roller passes to each material. The results showed that the material from Quarry A achieved the highest average field density (104.71%), indicating the highest compaction effectiveness among the materials tested. In terms of carrying capacity, the material from Quarry B proved to be the most superior, with the highest CBR value both in dry conditions (103.00%), after submersion (58.00%). In contrast, the Quarry C material showed the highest sensitivity to water, as its CBR value decreased from 75.00% to 27.00% when submerged, which correlated with the highest silt content (9.21%). These findings demonstrate that the physical characteristics of materials, such as silt content and grain size distribution, are the main determining factors affecting the final yield of soil density and carrying capacity.
Effect of Marshall Characteristics with The Addition of Polyethylene Terephthalate (PET) Waste as a Filler Mixture in Asphalt Nurfitria, Maulida; Anggraeni, Mutiara; Nugroho, M. Arif Firman; Agus S, Martinus
Journal of World Science Vol. 4 No. 8 (2025): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v4i8.1479

Abstract

Asphalt pavement is one of the main elements of transportation infrastructure. However, asphalt pavements often suffer from damage such as cracking, plastic deformation and peeling due to the influence of traffic loads and extreme temperature changes. With the extensive use of plastics in daily life leading to an increase in plastic waste which has become one of the serious problems in Indonesia, an alternative is needed to deal with the problem. By modifying the asphalt filler using Polyethylene Terephthalate (PET) waste, the AC - WC asphalt layer is one way to increase the stability of the road structure. The purpose of this study is to determine the comparison of the value of marshall characteristics in the AC-WC layer with the addition of Polyethylene Terephthalate (PET) waste filler fixed at 7%, and Polyethylene Terephthalate (PET) waste varies by 6%, 6.5%, 7%, 7.5%, and 8%, and analyze the addition of PET plastric waste to the value of Marshall characteristics as a mixture of asphalt filler in the AC - WC layer. The method used in this research is the experimental method, using a control variable at 5.3% asphalt content with a fixed PET combination of 7%. Based on the results of the study that the addition of PET waste in the AC-WC asphalt mixture has an influence on the marshall characteristics, it can be seen from the values of Stability, Flow, VIM, VFM, VFB, and Marshall Quentiont which have changed.
Development of a Science E-Module Based on Problem Based Learning Using Moodle to Improve Students' Science Literacy and Critical Thinking Abilities Sumarhadi, Anas; Supahar, Supahar
Journal of World Science Vol. 4 No. 8 (2025): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v4i8.1481

Abstract

The purpose of this research is to produce a problem-based learning science e-module using Moodle that is (1) suitable for improving scientific literacy and critical thinking skills; (2) practical for teachers and students to use in enhancing scientific literacy and critical thinking skills; and (3) effective in improving students' scientific literacy and critical thinking abilities. This research employs Research and Development with the 4D development model (define, design, develop, and disseminate). The study was conducted at Abu Bakar Integrated Islamic Junior High School, Yogyakarta, during the 2024/2025 academic year. Prior to the research, the developed product and learning tools were tested for feasibility by two experts and for practicality by teachers and students in a limited trial. The results of the study indicate that the problem-based learning science e-module using Moodle to improve students' scientific literacy and critical thinking skills: (1) is feasible for use, based on very high content validity, empirical evidence of validity that fits the Rasch model (mean INFIT MSNQ value = 1), and reliability categorized as sufficient; (2) very practical to use, based on teacher assessments, and categorized as practical based on student readability responses; and (3) effective to use, as shown by a significant increase in students' scientific literacy and critical thinking skills according to MANOVA test results, with the effect size value of the treatment categorized as medium.
Development of E-LKPD Guided Inquiry Web Augmented Reality Biodiversity Material Based on Nepenthes Variation to Improve Critical Thinking Abilities and Psychomotor Skills of E-phase students Martono, Djoko; Aloysus, Suyitno
Journal of World Science Vol. 4 No. 8 (2025): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v4i8.1486

Abstract

This study developed a Guided Inquiry e-LKPD assisted by Web Augmented Reality (WebAR) on biodiversity material based on Nepenthes variations, aiming to enhance critical thinking skills and psychomotor abilities of Phase-E students. The product supports questioning, investigating, and constructing knowledge through 3D visualization of Nepenthes in real environments. A modified Borg & Gall R&D method was applied, with trials at MAN 2 Kota Semarang using a one-group pretest–posttest design. Instruments were expert-validated with very high scores. MANOVA analysis indicated a significant effect of WebAR on improving both critical thinking and psychomotor skills, simultaneously and separately. ANOVA and t-tests confirmed significant differences in learning outcomes between experimental and control groups, with greater improvement in the experimental group. The WebAR-based e-LKPD proved effective in strengthening cognitive aspects and psychomotor skills through interactive learning.
The Effect of Using Owl Houses on Reducing Rattus Argentiventer and Its Impact on Increasing Rice Production Nurjanah, Nurjanah; Sach, Gita Aditya; Wachdijono , Wachdijono
Journal of World Science Vol. 4 No. 8 (2025): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v4i8.1494

Abstract

Effective and sustainable control of rat pests is a major challenge in rice cultivation. An increasingly friendly method is the use of owl houses (Tyto alba) as a biological agent to control rat populations. This study examines the effect of owl houses on reducing rat pests and their impact on increasing rice production in Linggajati Village, Arahan District, Indramayu Regency, West Java Province, Indonesia. Primary data were collected from March to June 2025 and analyzed in July 2025. Quantitative methods included direct field observations, rat population analysis before and after owl house installation, and crop yield measurements. The sample consisted of 112 rice farmers who installed owl houses around their fields, using simple random samplings. Data was analyzed with Structural Equation Modeling (SEM) via the AMOS application. Results indicated full mediation: owl houses directly reduced rat pest attacks (0.97), which positively impacted rice production (0.89). The most dominant factor in the owl house variable was the number of owls settling there (1.03), and pest reduction in areas without owl houses showed a very positive effect (1.75). The study found that the presence of owls can reduce rat populations by up to 70%, leading to an average 20% increase in rice production compared to fields without owl houses. These findings demonstrate that owl houses offer an effective ecological solution to support sustainable rice agriculture.
Feasibility Analysis of Station Construction Project Public Refueling (Petrol Station) Joharudin, Joharudin; Al Rosyid, Wildan Madhani; Purnama, Oki; Purnomo, Sulistijo Edhy
Journal of World Science Vol. 4 No. 9 (2025): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v4i9.1482

Abstract

The development of fuel infrastructure in remote areas remains a critical challenge for Indonesia's energy access equity, particularly in regions with limited petrol station coverage relative to population density and vehicle growth. This study aims to analyze the financial feasibility of the construction of petrol stations in Terjun Jaya Village, Betara District, West Tanjung Jabung Regency. The method used is a project feasibility study with a quantitative descriptive approach. The analysis includes aspects of investment costs, revenue projections, and financial indicators such as Net Present Value (NPV), Internal Rate of Return (IRR), Payback Period (PP), Break Even Point (BEP), and Profitability Index (PI). The results of the study show that this petrol station project is financially feasible with a Net Present Value of IDR 7,155,058,232, an Internal Rate of Return of 11.24%, a Payback Period of 4 years and 1 month, and a Profitability Index of 1.62%. The project shows robust market potential supported by regional vehicle population data indicating 176,435 total vehicles in the area requiring regular fuel access. The implications suggest that strategic petrol station development in underserved rural areas can achieve both financial sustainability and significant social impact by improving energy access equity while generating attractive returns for investors.

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