Ramli, Ramli, and Letmi Dwiridal. “Design of Biogas Reactor As a Sustainable Energy Source in Pauh Sub-District Padang, West Sumatra”. Pelita Eksakta 1, no. 2 (November 30, 2018): 97-101. Accessed May 31, 2026. http://pelitaeksakta.ppj.unp.ac.id/index.php/pelitaeksakta/article/view/26.