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INDONESIA
Indonesian Journal of Advanced Research (IJAR)
Published by PT FORMOSA CENDEKIA GLOBAL
ISSN : -     EISSN : 29860768     DOI : https://doi.org/10.55927/ijar.v2i4
Core Subject : Science, Education, Engineering,
Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Education Languange, Linguistic, Communication & Media
Indonesian Journal of Advanced Research (IJAR) is an open-access and peer-reviewed journal, published by Formosa Publisher, which is mainly intended for the dissemination of research results by researchers, academics, and practitioners in many fields of science and technology. IJAR publishes articles monthly. The editors welcome submissions of papers describing recent theoretical and experimental research related to: (1) Theoretical articles; (2) Empirical studies; (3) Case studies; (4) Literature Review and (5) Applications of recent technology advancement.
Arjuna Subject : Umum - Umum
Articles 586 Documents
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Service Quality Analysis of Primajasa Bus on the Cirebon–Bekasi Route Using the Importance Performance Analysis (IPA) Method Bima Giri Jati; Nurullah Budisiswanto
Indonesian Journal of Advanced Research Vol. 5 No. 8 (2026): August 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ijar.v5i8.17067

Abstract

Primajasa Bus is an inter-city, inter-province (AKAP) public transport operator whose Cirebon–Bekasi route carries high passenger mobility. This study analyzes the performance and importance levels of Primajasa Bus service attributes, measures their level of conformity, and formulates strategic recommendations for service improvement. A descriptive quantitative approach was used, distributing questionnaires to 100 respondents obtained via Slovin's formula and accidental sampling. The instrument covered 29 attributes across five SERVQUAL dimensions, analyzed with Importance Performance Analysis (IPA). Results show performance scores of 3.77–4.11 (Good) and importance scores of 4.09–4.58 (mostly Very Important), with an overall conformity level of 92.48%, leaving a 7.52% gap. The IPA Cartesian diagram identified seven priority attributes requiring immediate improvement.
Item Analysis of the G-Form Questionnaire on Students’ Motivation for Online Learning Putie Maharani Basa
Indonesian Journal of Advanced Research Vol. 5 No. 8 (2026): August 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ijar.v5i8.17078

Abstract

Technological advancements have led to the emergence of various online learning platforms and media as part of the innovation inherent in that technology. Online learning is a process that takes place online, being both open and massive, thereby enabling broader participation. In this context, both intrinsic and extrinsic motivations simultaneously influence students' academic performance. This study analyzes test items distributed via Google Forms to 100 students organized into 10 groups regarding their learning motivation in the context of online learning. The analysis employs methods assessing discrimination power, difficulty level, motivation, and validity. The analysis concludes that all 15 test items are valid. Specifically, six items are recommended for use, four require revision, and five must be replaced, particularly given that the items are distributed via Google Forms—to enhance student motivation to complete them.
Village Head Leadership Style in Enhancing Development in Siku Village, Empat Petulai Dangku District, Muara Enim Regency Nopriawan Mahriadi; Lisdiana; Arif Rahman Hakim; Femi Asteriniah; Aidil Frawiro; Ory Kurniawan
Indonesian Journal of Advanced Research Vol. 5 No. 8 (2026): August 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ijar.v5i8.17077

Abstract

This study aims to analyze the leadership style of Village Head H. Abdul Karim in enhancing the development of Siku Village, Empat Petulai Dangku District, Muara Enim Regency. The study employed a descriptive qualitative method, with data collected through interviews, observations, and documentation. The findings indicate that the village head's leadership style encompasses directive, supportive, participative, and achievement-oriented leadership styles based on the Path–Goal Theory. The first three leadership styles have been implemented effectively, whereas the achievement-oriented leadership style still requires improvement. Supporting factors for village development include effective communication, the active role of the Village Consultative Body (BPD), and an adequate village budget, while the inhibiting factors consist of natural disasters, the limited capacity of village officials, and inadequate coordination. Improving the capacity of village officials and strengthening community participation are necessary to support village development.
The Urgency of Energy Security for Strengthening National Stability in the Global Era Surya Iman Wahyudi; Priyanto; Afrizal Hendra
Indonesian Journal of Advanced Research Vol. 5 No. 8 (2026): August 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ijar.v5i8.17082

Abstract

This study examines the urgency of energy security in strengthening national stability in the global era. It contributes to the literature by integrating Energy Security Theory, the Energy Trilemma Framework, and Non-Traditional Security Theory to explain the relationship between energy security and national stability. Using a narrative literature review, the study analyzed 22 relevant publications and official reports published between 2020 and 2026 from journals, books, and institutions such as the International Energy Agency (IEA), Indonesia’s Ministry of Energy and Mineral Resources, and the National Energy Council. The findings indicate that strengthening energy diversification, renewable energy development, energy efficiency, and governance enhances national resilience and supports sustainable economic and social stability amid global geopolitical and energy challenges.
Analysis of Polymer Concrete Compressive Strength with the Addition of Styrene Monomer and Ground Granulated Blast Furnace Slag (GGBFS) Wahyu Nursamhuda; Taufiq Rochman
Indonesian Journal of Advanced Research Vol. 5 No. 8 (2026): August 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ijar.v5i8.17084

Abstract

This study evaluates the compressive strength of polymer concrete modified with Styrene Monomer (SM) and Ground Granulated Blast Furnace Slag (GGBFS). Using 54 cube samples (5x5x5 cm) with varying SM (0%, 3.75%, 11.25%) and GGBFS (0%-40%), testing was conducted at 28 days of age. Results show that Run A2B3 (11.25% SM and 20% GGBFS) achieved the highest compressive strength of 100.91 MPa. In contrast, samples without SM reached a maximum of 99.93 MPa. SM significantly improves mechanical performance and elasticity, enabling better load distribution. However, GGBFS levels above 20% reduced workability due to high viscosity. These findings suggest that an optimal SM-GGBFS combination yields high-strength, durable polymer concrete for advanced structural applications.
Beyond Chronological Age: Balancing Risk and Benefit of Invasive Versus Conservative Strategies in Acute Coronary Syndrome Patients Aged ≥75 Years. A Systematic Review and Meta-Analysis N. D. Putri; J. Endang; Q. A. Dewi
Indonesian Journal of Advanced Research Vol. 5 No. 8 (2026): August 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ijar.v5i8.17099

Abstract

Acute coronary syndrome (ACS) in patients aged ≥75 years presents a clinical challenge because of frailty, comorbidities, and increased procedural risks. This systematic review and meta-analysis evaluated the benefits and risks of invasive compared with conservative strategies in elderly patients with ACS. A systematic search was conducted in PubMed and the Cochrane Library for randomized controlled trials published between 2016 and 2026. Six studies involving more than 4,000 patients were included. The pooled analysis showed no statistically significant overall difference between invasive and conservative strategies (Hedges’ g = −1.04; 95% CI: −3.12 to 1.04), with substantial heterogeneity among studies (I² = 99%). Invasive treatment showed a trend toward reducing nonfatal myocardial infarction and repeat revascularization, although potential procedural complications remained important considerations. These findings suggest that invasive strategies do not consistently provide superior overall outcomes in elderly patients with ACS. Treatment decisions should therefore consider not only chronological age but also frailty, comorbidities, functional status, life expectancy, and patient preferences.
The Effect of International and Domestic Price Disparities on the Supply Volume of Coconuts: An Econometric Approach Using a Farmer Preference Model Ahmad Edi Saputra; Zulgani; Suandi; Zamzami; Ridwansyah
Indonesian Journal of Advanced Research Vol. 5 No. 8 (2026): August 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ijar.v5i8.17134

Abstract

Imperfections in the market structure for perennial plantation commodities often trigger the phenomenon of asymmetric price transmission, which widens the price disparity between international exchanges and farm-gate prices. This study aims to quantitatively analyze the impact of international-domestic price disparities on the supply volume of oil palm (Cocos nucifera L.) and farmers’ supply volume decisions using the Farmer Choice Model econometric approach. Data were collected through a structured survey of 100 coconut-farming households in West Tanjung Jabung and East Tanjung Jabung Regencies, Jambi Province, and combined with time-series data on international reference prices (CNO Rotterdam CIF) for the period 2020–2025. The Heckman Two-Step Selection Model was used to address sample selection bias. In Stage 1 (Selection Equation—Probit), the study results show that price disparity has a significant negative effect on the probability of farmers participating in the formal market (β = -0.0412, p < 0.01). In Stage 2 (Outcome Equation—OLS with Inverse Mills Ratio Correction), the price disparity variable had a coefficient of -0.1854 (p < 0.01), demonstrating that a 10% increase in price disparity reduces coconut supply volume by 1.85%. The significant Inverse Mills Ratio coefficient (λ) (λ =       -0.412, p = 0.028) confirms the presence of selection bias and validates the reliability of the Heckman model. The results of this study recommend the need for institutional reforms in the supply chain, modernization of the cold chain and processing at the cooperative level, and price transparency based on digital technology to reduce the oligopsony of local collectors.
The Proper Racing Line Brand and the Role of Affiliate Marketing in Boosting Consumer Purchasing Power Naufal Noor Fadillah; Siti Khumayah; Aghnia Dian Lestari
Indonesian Journal of Advanced Research Vol. 5 No. 8 (2026): August 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ijar.v5i8.17136

Abstract

The development of digital media has encouraged companies to utilize affiliate marketing strategies as part of their marketing communications. In practice, high engagement with promotional content does not always result in a commensurate increase in consumer purchasing power. This study aims to analyze the role of affiliate marketing in increasing consumer purchasing power for the Proper Racing Line brand through the dimensions of affiliate credibility, promotional content quality, and relationship management. The study employed a descriptive qualitative method with data collection techniques consisting of in-depth interviews and documentation. The research informants comprised internal staff of Proper Racing Line, affiliates, and consumers selected using purposive sampling. Data analysis was conducted using the Miles and Huberman model, which includes data reduction, data presentation, and drawing conclusions. The results indicate that affiliate credibility is a key factor in building consumer trust in the promoted products. Additionally, promotional content that is informative, educational, and showcases firsthand product usage experiences helps consumers understand the product’s benefits before making a purchase. The relationship established between the brand and the affiliate through ongoing communication also plays a role in maintaining the consistency of the information received by consumers. This study concludes that consumer purchasing power is influenced not only by high engagement on social media but also by the level of trust in the affiliate, the quality of the information conveyed, and the relationship built among the brand, the affiliate, and the consumer in affiliate marketing activities.
Relationship Between Type 2 Diabetes Mellitus and Cholelithiasis Nandito Pratama; Eveline Margo
Indonesian Journal of Advanced Research Vol. 5 No. 9 (2026): September 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ijar.v5i9.17066

Abstract

Cholelithiasis is a condition caused by the formation of gallstones due to the precipitation of bile components. Type 2 diabetes mellitus is thought to increase the risk of cholelithiasis and altered bile metabolism through insulin resistance. This study intends to analyze the relationship between type 2 diabetes mellitus and cholelithiasis. An analytical observational study with a cross-sectional design was conducted using medical records from 150 patients aged over 40 years who visited the Internal Medicine Outpatient Clinic at Budhi Asih Regional General Hospital (RSUD) between January and December 2025. The Chi-square test was used to analyse the data. The findings demonstrated a significant relation between type 2 diabetes mellitus and cholelithiasis (p=0.040). These results highlight the importance of risk factor management and early identification in individuals with type 2 diabetes mellitus.
Digital Transformation in Intergovernmental Facilitation and Regional Innovation Capability: Examining Symmetrical Communication and Institutional Trust Reyza Pratama; Ratih Hendayani; Yuhana Astuti
Indonesian Journal of Advanced Research Vol. 5 No. 9 (2026): September 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ijar.v5i9.17138

Abstract

This study examines how digital transformation in facilitation by Indonesia’s National Research and Innovation Agency (BRIN) influences perceived regional innovation management capability through symmetrical communication and trust. A cross-sectional survey of 152 local-government officials in 38 districts and cities of East Java was conducted in July 2026 and analysed using Partial Least Squares Structural Equation Modeling. Digital transformation positively affected capability and symmetrical communication, while symmetrical communication partially mediated the relationship. Trust had a strong direct effect, whereas its interaction with symmetrical communication did not reach the 5% significance threshold. The findings extend digital-transformation and innovation-intermediary research by showing that digital facilitation creates greater public value when technology is combined with dialogic communication, credible relationships, and traceable follow-up.

Page 57 of 59 | Total Record : 586

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