ลิ้มควรสุวรรณ ว, วังใน ช, ชัยประเสริฐ ภ. Chracterization of an Anaerobic Baffled- Fixed Film Reactor (ABFFR) in Treating and Producing Biogas From Palm oil mill Effluent. Front. Eng. Innov. Res. [internet]. 2010 Jun. 30 [cited 2025 Mar. 22];1:49-5. available from: https://ph01.tci-thaijo.org/index.php/jermutt/article/view/242175