Role of Green Supply Chain Management And Internal Environment In Sustainibility, Competitive Advantage Of Oil and Gas Companies in Kalimantan

Research Aims: This study aims to analyze the influence of Green Supply Chain Management (GSCM) and the internal environment on Sustainability Competitive Advantage (SCA) in oil and gas companies in Kalimantan Design/methodology/approach: The research uses the Bootstrapping method with SmartPLS to analyze the influence of GSCM and internal environmental factors on SCA. Data were collected from oil and gas companies in Kalimantan, and the relationships between the variables were tested using structural equation modeling Research Findings: The results show that GSCM significantly influences SCA, both directly and indirectly through internal environmental mediation. GSCM practices, including environmentally friendly procurement, production, distribution, and waste management, contribute to improving internal environmental quality and enhancing sustainable competitiveness. The internal environment, characterized by a flexible work structure, a sustainability-supporting business strategy, and an environmentally proactive organizational culture, strengthens SCA Theoretical Contribution/Originality: This study provides new insights into how GSCM and a supportive internal environment can contribute to SCA in the oil and gas industry. It highlights the importance of integrating environmental practices within both operational strategies and organizational culture to boost sustainable competitive advantage Keywords: Green Supply Chain Management, internal environment, sustainability, competitive advantage, oil and gas, Kalimantan.