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All Journal Enrichment: Journal of Multidisciplinary Research and Development
Djoko Sihono Gabriel
University of Indonesia
Humanities Economics, Econometrics & Finance Engineering Health Professions Social Sciences

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The Influence of Leadership, Communication, Disclosure of Information, and Risk Management on Project Governance in Infrastructure Projects with Project Complexity as a Moderating Variable Fathoni, Hasful Anwar; Gabriel, Djoko Sihono; Nurcahyo, Rahmat
Enrichment: Journal of Multidisciplinary Research and Development Vol. 3 No. 2 (2025): Enrichment: Journal of Multidisciplinary Research and Development
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/enrichment.v3i2.365

Abstract

Project governance is a critical component in the success of construction and infrastructure projects, particularly in complex environments. This study aims to analyze the influence of effective leadership, communication effectiveness, disclosure of information, and risk management capability and experience on project governance in Indonesia, while also examining the moderating role of project complexity. Using a quantitative approach with Partial Least Square Structural Equation Modelling (PLS-SEM), data were collected through questionnaires from project professionals involved in construction projects. Results indicate that effective leadership, communication effectiveness, risk management capability and experience, and project complexity significantly influence project governance. However, disclosure of information did not show a significant impact. Furthermore, the moderating effect of project complexity on the relationships between effective leadership and project governance, as well as communication effectiveness and project governance, was found to be insignificant. These findings suggest that while project complexity directly affects governance, it does not strengthen or weaken the impact of leadership and communication on governance outcomes in this context. The study contributes a comprehensive empirical model integrating organizational, human, process, and technical factors affecting project governance and highlights the need for targeted leadership and communication strategies to enhance governance effectiveness. This research offers practical insights for improving transparency, accountability, and sustainability in project governance within Indonesia’s construction sector.
Integration of the Theory of Planned Behavior, Regulatory Pressures, Environmental Awareness, and Economic Perception in Influencing the Intention to Adopt Material Value Conservation Principles Faris, Ahmad; Gabriel, Djoko Sihono; Nurcahyo , Rahmat
Enrichment: Journal of Multidisciplinary Research and Development Vol. 3 No. 3 (2025): Enrichment: Journal of Multidisciplinary Research and Development
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/enrichment.v3i3.397

Abstract

This study investigates the key factors influencing the intention of plastic-based medical device manufacturers in Indonesia to adopt Material Value Conservation (MVC) principles in sustainable product design. Using the Theory of Planned Behavior (TPB) as a foundation, this research integrates environmental awareness, regulatory pressures, knowledge of MVC, perceived ease of adoption, and perceived economic value to develop a comprehensive analytical model. A quantitative survey was conducted with 70 manufacturers located in the Greater Jakarta area, and the data were analyzed using Partial Least Squares-Structural Equation Modeling (PLS-SEM). The findings indicate that attitude, subjective norms, and perceived behavioral control have a significant direct effect on adoption intention, while regulatory pressure and knowledge of MVC influence intention indirectly through mediating constructs. Although environmental awareness and technical knowledge are high among respondents, perceived economic value remains the most significant barrier due to concerns over initial implementation costs. The study's novelty lies in its empirical extension of TPB within the context of circular economy adoption in the healthcare manufacturing sector. It provides practical implications for policymakers, particularly in low- and middle-income countries, to enhance sustainability through targeted incentives and regulatory frameworks. This research contributes to the academic literature by demonstrating the interaction between psychological, institutional, and economic variables in shaping green manufacturing intentions in an industry with high environmental impact.
The Role of Perceived Benefits, Installations, and Government Initiatives in Influencing Solar Energy Adoption Intentions at the Household Level in Jakarta Emmanuel, Jovan; Gabriel, Djoko Sihono
Enrichment: Journal of Multidisciplinary Research and Development Vol. 3 No. 3 (2025): Enrichment: Journal of Multidisciplinary Research and Development
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/enrichment.v3i3.400

Abstract

This study investigates the factors that influence the intention to adopt solar energy at the household level in Jakarta. As urban energy demands increase and environmental concerns intensify, renewable energy technologies, particularly solar power, offer a sustainable alternative. The research primarily focuses on three key drivers: perceived benefits, installation-related aspects, and the role of government initiatives. Using a structured survey questionnaire, data were gathered from residents across various housing areas in Jakarta. The questionnaire assessed respondents’ awareness of renewable energy, perceptions of its advantages, perceived ease or complexity of installation, and the impact of governmental policies or incentives. The results of the analysis indicate that perceived benefits—such as long-term cost savings and environmental advantages—have a strong and statistically significant effect on adoption intentions. Government initiatives, including subsidies, public campaigns, and regulatory support, also play a critical role in shaping household decisions. Installation factors, although slightly less influential, still contribute meaningfully, particularly in terms of ease of access to reliable installation services and associated upfront costs. These findings highlight the importance of a multi-faceted approach to increasing residential solar energy adoption. Specifically, they underscore the need for government efforts to enhance public awareness and provide financial incentives, as well as the importance of ensuring accessible and user-friendly installation processes. The insights from this study can inform energy policymakers, private sector stakeholders, and urban planners in crafting effective strategies that support a greener and more sustainable urban energy landscape in Jakarta.
Co-Authors Ahmad Faris, Ahmad Emmanuel, Jovan Fathoni, Hasful Anwar Nurcahyo , Rahmat Rahmat Nurcahyo