Nurkholis, Suyono Thamrin, and Mohamad Sidik Boedoyo. “POTENTIAL OF SWAMP GAS AS A SUBSTITUTE FOR FOSSIL ENERGY IN THE FRAMEWORK OF ENVIRONMENTALLY CONSCIOUS ENERGY DIVERSIFICATION IN EAST JAVA PROVINCE”. Multidiciplinary Output Research For Actual and International Issue (MORFAI) 5, no. 2 (April 4, 2025): 547–552. Accessed February 8, 2026. https://radjapublika.com/index.php/MORFAI/article/view/2685.