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This Author published in this journals
All Journal Jurnal Publikasi Ilmu Manajemen Glosains: Jurnal Sains Global Indonesia
Muhammad Ilham
Politeknik Maritim AMI Makassar
Decision Sciences, Operations Research & Management Economics, Econometrics & Finance

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Maritime Economic Geopolitics and Risk Transmission: A Systematic Literature Review of the Impact of U.S.-Iran Tensions on International Trade Flows in Indonesian Waters Anwar T; Muhammad Sahid; Amrin Amrin; Muhammad Ilham
Glosains: Jurnal Sains Global Indonesia Vol. 7 No. 3 (2026): Glosains: Jurnal Sains Global Indonesia
Publisher : Sekolah Tinggi Agama Islam Kuningan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59784/glosains.v7i3.784

Abstract

Background: Geopolitical tensions in the Persian Gulf, particularly between Iran and the United States, constitute a systemic risk factor for global maritime trade. However, their cascading implications for sea lanes of communication (SLOCs) in Southeast Asia, especially Indonesian waters, remain insufficiently examined in the international academic literature. Objective: This study aims to examine how Iran–United States tensions in the Persian Gulf function as a systemic disruptive variable within the global maritime security architecture and how their implications for SLOCs in Indonesian waters remain analytically underrepresented. Methods: This study conducted a PRISMA-compliant systematic literature review of 30 peer-reviewed articles published between 2002 and 2025, selected from the Scopus database using predefined inclusion criteria related to maritime security, energy geopolitics, and strategic chokepoints in the Persian Gulf and Southeast Asia. The review was supplemented by VOSviewer keyword co-occurrence bibliometric analysis to map thematic clusters and identify structural gaps in the literature. Results: The findings identified three principal risk transmission mechanisms: energy supply volatility through the Strait of Hormuz, tanker rerouting dynamics through Indonesian straits, and intensifying great-power naval rivalry in the region. Keyword co-occurrence analysis quantitatively confirmed the absence of strong conceptual linkages between the Persian Gulf geopolitics cluster and the Indonesian maritime security cluster in the global literature. Conclusion: This study affirms the urgency of reorienting international maritime security discourse to position Indonesia as an active geostrategic actor rather than a passive recipient of regional conflict dynamics.
The Implementation of Social Media Marketing and Service Quality in Increasing Customer Purchase Intention at PT. SUCOFINDO (Persero) SBU Mineral Dedih Budiawan Sugianto; Amrin Amrin; Anwar T.; Andi Ningrat; Arifin H. Abd Majid; Muhammad Ilham
Jurnal Publikasi Ilmu Manajemen Vol. 5 No. 1 (2026): Maret: Jurnal Publikasi Ilmu Manajemen
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jupiman.v5i1.6965

Abstract

This study aims to analyze the influence of Social Media Marketing (X1) and Service Quality (X2) on the Purchase Intention (Y) of customers at PT Sucofindo (Persero) SBU Mineral. Employing a quantitative approach, data were gathered using Likert-scale questionnaires distributed to 100 corporate respondents representing Key Account and Regular Account customers. The data analysis technique used was multiple linear regression executed through SPSS software. The instrument testing results confirmed that all questionnaire items were valid and reliable. Classical assumption tests verified that the regression model met the normality requirements and was free from multicollinearity. Partially, both Social Media Marketing and Service Quality proved to have a positive and significant effect on Purchase Intention. Through a strong coefficient of determination (Adjusted R Square), this research model is able to significantly explain the variance in customer purchase intention, while the remainder is influenced by other factors outside the model. These findings emphasize the vital importance of integrating interactive digital communication activities and consistent technical operational service quality in maintaining customer preferences in the B2B mineral sector market
Co-Authors Amrin Amrin Andi Ningrat Anwar T Anwar T. Arifin H. Abd Majid Dedih Budiawan Sugianto Muhammad Sahid