Hudayarizka, R. et al. 2024. Utilization of durian peels (Durio zibethinus) and lubricant treatment sludge as raw materials of Refuse-Derived Fuel. Sustinere: Journal of Environment and Sustainability. 8, 1 (May 2024), 68–79. DOI:https://doi.org/10.22515/sustinere.jes.v8i1.370.