ปัญญาปิง ก., มณีสว่าง จ., and บุญสิริ น. “Anaerobic Digestion of Mixed Leaf and Petiole Waste and Food Waste in Single and Two Anaerobic Reactors”. Research on Modern Science and Utilizing Technological Innovation Journal (RMUTI Journal), vol. 13, no. 1, Sept. 2019, pp. 59-74, https://ph01.tci-thaijo.org/index.php/rmutijo/article/view/192083.