THE PRODUCTION OF BIOHYDROGEN AND BIOMETHANE FROM CASSAVA WASTEWATER UNDER MESOPHILIC ANAEROBIC FERMENTATION BY USING UPFLOW ANAEROBIC SLUDGE BLANKET REACTORS (UASB). J. Teknol. [Internet]. 2016 May 16 [cited 2025 Apr. 6];78(5-6). Available from: https://journals.utm.my/jurnalteknologi/article/view/8629