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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 643 Documents
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Learning Nonlinear Temporal Patterns in Ethereum Prices Via LSTM Networks Herdian, Cevi
Journal of World Science Vol. 5 No. 2 (2026): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v5i2.1630

Abstract

A Long Short-Term Memory (LSTM) neural network trained on hourly ETH/USDT market data from the Binance exchange is used in this study to examine short-term Ethereum price behavior. The proposed model emphasizes learning temporal dependencies and momentum-driven structures rather than relying on conventional linear forecasting assumptions, acknowledging the highly nonlinear and noise-dominated nature of cryptocurrency markets. The daily high price of Ethereum is selected as the target variable in the forecasting task, which is defined as a univariate regression problem. To ensure realistic predictive assessment, model performance is evaluated using a strictly out-of-sample testing methodology. Empirical findings demonstrate that the LSTM model achieves a strong statistical fit despite significant market volatility. The obtained results—RMSE of 127.33, MAE of 98.76, MSE of 16,213.76, MAPE of 2.73%, and an R² of 0.96—indicate that a substantial portion of short-term price volatility is effectively captured by the nonlinear architecture. Even in a noise-dominated market, the low MAPE and high coefficient of determination suggest robust predictive alignment. Forecasts over the next five days reveal a recurring short-term directional pattern accompanied by widening prediction intervals, which reflect increasing uncertainty as the forecast horizon extends. This pattern underscores the intrinsic difficulty of achieving accurate price-level forecasts in highly volatile cryptocurrency markets. Overall, when applied to short-term cryptocurrency price dynamics, the results indicate that LSTM models are well-suited for capturing trend persistence and regime-related signals, affirming their usefulness as risk-aware decision-support tools rather than deterministic forecasting systems.
The Impact of Transformational Leadership and Work Environment on Performance Through Intrinsic Motivation as A Mediating Variable Teddy Gunawan, Muhammad; Ahmadi, Slamet
Journal of World Science Vol. 5 No. 2 (2026): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v5i2.1639

Abstract

This study aims to analyze the influence of transformational leadership and the work environment on employee performance, with intrinsic motivation as an intervening variable. The study was conducted on employees of the Regional Development Planning, Research, and Development Agency of Bogor Regency, with 62 respondents. The research approach used a quantitative method through Structural Equation Modeling–Partial Least Squares (SEM-PLS). The sampling technique used was simple random sampling, with data collected through questionnaires. The results of the study indicate that transformational leadership influences performance, while the work environment does not. However, both factors influence intrinsic motivation. Furthermore, intrinsic motivation influences performance and mediates the relationship between transformational leadership and performance, as well as between the work environment and performance. Therefore, increasing intrinsic motivation can strengthen the influence of transformational leadership and the work environment on performance
Decentralization and Citizen Participation in the Provision of Local Public Services Vasconcelos, Adelaide de; Erwin, Erwin; Fitriana, Widya
Journal of World Science Vol. 5 No. 3 (2026): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v5i3.1641

Abstract

This research analyzes the impact of decentralization policies on the quality of local public services in the road infrastructure sector and evaluates the role of citizen participation in improving road accessibility in Ermera Municipality, Timor-Leste. Decentralization is viewed as a strategy to enhance service delivery and democratic legitimacy through community involvement, yet its effectiveness is often limited by institutional capacity, fiscal dependence on the central government, and weak citizen participation mechanisms. A qualitative case study approach was employed, with data collected through in-depth interviews with local officials, community leaders, and residents, as well as field observations and document analysis. Thematic analysis was used to process the data, ensuring validity through triangulation. The findings show that while decentralization has increased local government authority in road planning and implementation, fiscal constraints, lack of transparency, and weak coordination limit its effectiveness. Citizen participation has a positive impact on identifying needs and supporting project execution, but it remains largely consultative and insufficiently institutionalized, particularly in monitoring and evaluation. In conclusion, decentralization and citizen participation complement each other in improving local public services. Strengthening the technical and fiscal capacity of local governments and institutionalizing citizen involvement at all stages is crucial for achieving inclusive, responsive, and sustainable road infrastructure. The study offers strategic implications for decentralization reforms in developing countries.
Virality and Public Moral Judgment: A Study of Netizen Comments on The Gus Elham Video Case Juliyanti, Sofi; Juniko, Dias Senja
Journal of World Science Vol. 5 No. 3 (2026): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v5i3.1642

Abstract

The case of a viral video featuring young preacher Gus Elham showing himself kissing a small child during da'wah activities has sparked widespread controversy on social media, especially Instagram. Various counter-netizens' comments expressed sharp criticism of the act, which was deemed inappropriate and exceeded the ethical limits of interaction between adults and children. This study analyzes the pattern of netizens' criticism in video uploads of Gus Elham's case recordings to understand how digital society builds moral narratives against religious figures in digital public spaces. This study uses a descriptive qualitative approach through the analysis of Instagram comment content, focusing on netizens' counter-comments as the main data. The results of the study show the dominance of ethical criticism, demands for child protection, moral delegitimization of religious figures, and calls for social and legal responsibility. These findings show the role of netizens as active social actors in shaping public ethics discourse and social control over religious figures in the digital space. This study recommends strengthening digital da'wah ethics literacy and preparing guidelines for public interaction ethics for religious figures on social media.
Total Mechanical Intestinal Obstruction Due to Ascaris Ball in Adolescents: A Case Report Mallo, Andly Resando; Sutomo, Ajeng Purwasih; Setiamidjaja, Jeremy Gerald; Sianipar, Yunilda; Tifarin, Shifa Farahdilla
Journal of World Science Vol. 5 No. 3 (2026): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v5i3.1643

Abstract

Intestinal worm infections remain a health problem in developing countries, especially in areas with poor sanitation. Ascaris lumbricoides is one of the causes of helminth infections that can lead to serious complications, such as intestinal obstruction. This research aims to report cases of intestinal obstruction due to an Ascaris ball in adolescent patients. The method used was a case report on a 14-year-old female patient who was treated for six days with the main complaint of pain all over the abdomen, accompanied by vomiting containing worms. Physical examination showed abdominal tenderness and decreased intestinal sounds, while laboratory examination showed leukocytosis. Radiological examination revealed meteorism. The patient was diagnosed with abdominal pain secondary to ascariasis with suspected partial ileal obstruction due to the Ascaris ball. Initial therapy included intravenous fluids, antibiotics, antiemetics, analgesics, and albendazole. However, due to a total mechanical intestinal obstruction, an exploratory laparotomy was performed. During surgery, dilation of the jejunum and obstruction of the ileum were found to be caused by a collection of worms resembling a ball. Hundreds of worms were evacuated from the intestinal lumen, and intestinal flushing was carried out. The patient showed improvement in her condition after surgery and follow-up therapy. This case demonstrates that ascariasis infection can cause serious complications, such as intestinal obstruction, that require surgery. Early diagnosis and proper management are essential to prevent more severe complications.
Brugada Pattern Type II: A Case Report Highlighting Clinical Challenge in the Early Recognition of Brugada Syndrome Izwara, Prastika Dica; Jomansyah, M.Ulil Aidie
Journal of World Science Vol. 5 No. 3 (2026): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v5i3.1646

Abstract

Background: Brugada syndrome (BrS) is a genetic cardiac channelopathy associated with an increased risk of malignant arrhythmias and sudden cardiac death (SCD), particularly in individuals without structural heart disease. The condition is characterized by specific electrocardiographic (ECG) patterns, with type I showing coved-type ST-segment elevation and type II showing saddleback morphology. Differentiating BrS from Brugada phenocopy (BrP), which is induced by reversible conditions such as electrolyte disturbances, remains a clinical challenge, especially in patients presenting with atypical features. Objective: This case report aims to describe the clinical presentation, diagnosis, and management of a patient with a type II Brugada ECG pattern. Method: A 38-year-old male presented with chest pain, diaphoresis, and syncope. Electrocardiography, laboratory tests, cardiac monitoring, and echocardiography were performed. Results: ECG revealed a saddleback ST-segment elevation ?2 mm in lead V2, consistent with the type II Brugada pattern. Laboratory findings, including electrolytes and troponin I, were normal. Cardiac monitoring recorded premature ventricular contractions. Echocardiography showed normal cardiac function. The Brugada pattern persisted on follow-up ECGs. Conclusion: Early recognition of the type II Brugada pattern is crucial in patients with syncope, even with normal electrolytes. Referral for electrophysiological studies and consideration of an ICD is essential to prevent SCD.
Response of Shallots (Allium Ascalonicum L.) To Azolla Pinnata Bokashi and NPK Fertilizer L Limbongan, Yusuf; A Limbongan, Amelia
Journal of World Science Vol. 5 No. 3 (2026): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v5i3.1647

Abstract

Background: Shallot (Allium ascalonicum L.) is a high-value vegetable commodity in Indonesia, but its productivity remains low, particularly in North Toraja Regency. The use of organic fertilizers such as Azolla pinnata bokashi combined with inorganic NPK fertilizer offers potential for improving shallot growth and production through integrated nutrient management. Objective: This study aims to determine the response of shallot plants to the application of Azolla pinnata bokashi and NPK fertilizer. Method: A factorial experiment arranged in a randomized block design was conducted from May to August 2022. Treatments included three levels of A. pinnata bokashi (control, 30 tons/ha, 50 tons/ha) and three levels of NPK fertilizer (control, 250 kg/ha, 350 kg/ha). Data were analyzed using ANOVA and orthogonal polynomial methods. Results: The results showed that the application of 50 tons/ha A. pinnata bokashi gave the best results for all observed variables. The application of 350 kg/ha NPK fertilizer also produced the best growth and production. The interaction between 50 tons/ha A. pinnata bokashi and 350 kg/ha NPK fertilizer was the best combination treatment, significantly increasing plant height, number of bulbs, and bulb weight compared to other treatments. The response of shallot plants to the application of A. pinnata bokashi and NPK fertilizers was linear. Conclusion: The combination of 50 tons/ha A. pinnata bokashi and 350 kg/ha NPK fertilizer is recommended for optimizing shallot growth and production in highland areas. The integrated use of organic and inorganic fertilizers can improve shallot productivity through synergistic effects on plant growth parameters.
Digital Audio Workstation (DAW) As A Technology Communication Medium in the Convergence of Music Production Practices in the Digital Age Prabowo, Ario; Pratiwi, Citra
Journal of World Science Vol. 5 No. 3 (2026): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v5i3.1648

Abstract

The rapid development of digital technology has significantly transformed the music industry, particularly in the processes of production, distribution, and consumption. One of the key innovations driving this transformation is the Digital Audio Workstation (DAW), which enables musicians to produce music independently within a flexible and digital ecosystem. This research analyzes the role of the Digital Audio Workstation (DAW) in the convergence of technology and music production practices in the digital era. DAW is not only a music production tool but also serves as a communication medium that shapes musicians’ creative patterns. Using McLuhan’s technological determinism theory and Jenkins’ media convergence theory, the study finds that DAW introduces flexibility in music production, allowing cross-border collaboration. The results indicate that DAW has democratized music production, enabling independent musicians to control both the creative process and music distribution, although challenges such as digital literacy and quality standards remain. DAW plays a crucial role in shaping musicians’ identities, facilitating communication with audiences, and accelerating the emergence of a more collaborative and global digital music culture. This research also shows how DAW transforms the way musicians interact with technology and the broader music industry.
Urban Transformation in Cirebon: Celebrity Endorsement, Global Pop Culture, and Youth Consumption Nurfalah, Farida; Nuruzzaman, M.; Noviani Santika, Rifka; Naufal Bin Yunus, Mohd
Journal of World Science Vol. 5 No. 3 (2026): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v5i3.1649

Abstract

In the era of global pop culture and digital media proliferation, celebrity endorsement has become a key strategy in marketing communication, particularly for engaging youth consumers who are deeply embedded in fandom communities. This research examines celebrity endorsement as a communication management practice by analyzing how the global K-pop group Blackpink functions as a brand ambassador for Oreo among teenage consumers in Cirebon City, Indonesia. Employing a qualitative case study design, the research draws on semi-structured interviews, non-participant observation, and documentation of Instagram-based promotional materials. The findings demonstrate that Blackpink performs three interrelated communicative roles: visual testimonial provision, endorsement and symbolic reinforcement, and narrative centrality within brand communication. Rather than relying on informational persuasion, Oreo strategically manages meaning through visual symbolism, fandom-oriented engagement, and platform-specific narratives that enable teenagers to co-create brand meaning. Conceptually, the study advances communication management scholarship by positioning celebrity endorsement as a process of meaning management, stakeholder engagement, and strategic narrative construction, particularly within secondary urban contexts shaped by global media flows.
The Role of Image Maintenance and Image Creation Factors in Indonesia's Coal Industry by PT. Asiatic Universal Indonesia from the Perspective of Job Feasibility Analysis and the Impact of Economic Growth in East Kalimantan Province Maramis, Fetrie J.L; Noer, Mochammad Kresna
Journal of World Science Vol. 5 No. 3 (2026): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v5i3.1650

Abstract

This study is grounded in the global and national challenges faced by the coal industry, particularly the tension between its economic contribution and the increasing environmental and social pressures. In Indonesia, coal remains a key driver of economic growth and employment, especially in resource-rich regions such as East Kalimantan. However, the industry is often associated with negative perceptions related to environmental degradation, which threatens its social legitimacy. The purpose of this study is to analyze the role of image maintenance and image creation strategies implemented by PT Asiatic Universal Indonesia and to examine their impact on job feasibility and regional economic growth. This research employs a descriptive qualitative method, using in-depth interviews, document analysis, and limited observation to obtain comprehensive insights from various stakeholders, including company management, employees, local communities, and government representatives. The findings indicate that image maintenance strategies, such as regulatory compliance, CSR programs, and transparent communication, play a significant role in maintaining public trust and securing the social license to operate. Meanwhile, image creation strategies focusing on economic contributions, job creation, and technological innovation help reshape public perceptions of the coal industry. These strategies collectively contribute to improving job stability, enhancing workforce quality, and increasing employee satisfaction. In conclusion, image management in the coal industry is not merely a communication tool but a strategic mechanism that directly affects employment feasibility and regional economic growth. Effective integration of image maintenance and image creation can ensure business sustainability, strengthen stakeholder relationships, and support long-term economic development.

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