Febrina, Wetri, and Rudi Faisal. “Produksi Metana Dari Tandan Kosong Minyak Sawit”. Smartech 1, no. 1 (February 19, 2026): 25–29. Accessed August 27, 2026. https://ejournal.smart-scienti.com/index.php/smartech/article/view/285.