Jayadi, Edi Muhammad, and Nurrahmah Nurrahmah. “The Utilization of Livestock Dung As A Biogas Starter from Water Hyacinth to Suppress Water Weeds”. Jurnal Penelitian Pendidikan IPA 8, no. 3 (July 31, 2022): 1286–1293. Accessed April 26, 2024. https://jppipa.unram.ac.id/index.php/jppipa/article/view/1632.