Siswanto, Jatmiko Edi, and Adi Susanto. “Analisa Biogas Berbahan Baku Enceng Gondok Dan Kotoran Sapi”. Chempublish Journal 3, no. 1 (June 29, 2018): 11-20. Accessed November 20, 2024. https://online-journal.unja.ac.id/chp/article/view/4806.