ลิ้มควรสุวรรณ ว. ., วังใน ช. . and ชัยประเสริฐ ภ. . (2010) “Chracterization of an Anaerobic Baffled- Fixed Film Reactor (ABFFR) in Treating and Producing Biogas From Palm oil mill Effluent”, Frontiers in Engineering Innovation Research, 1, pp. 49–59. Available at: https://ph01.tci-thaijo.org/index.php/jermutt/article/view/242175 (Accessed: 12 October 2024).