Wulandari, N. ., and N. . Saksono. “CO₂ Emission Reduction through Fuel Switching from Liquid to Gaseous Fuels in an Indonesian Oil Refinery Toward a Sustainable Energy Transition Case Study in Sumatra Refinery”. Edelweiss Applied Science and Technology, vol. 9, no. 7, July 2025, pp. 434-47, doi:10.55214/25768484.v9i7.8591.