“Utilization of Livestock Waste (Cow Manure) and Household Waste (Waste Cooking Oil) As Briquettes to Substitute Alternative Fuels”. Jurnal Sain Peternakan Indonesia 19, no. 2 (June 29, 2024): 90–95. Accessed June 20, 2025. https://ejournal.unib.ac.id/jspi/article/view/33299.