2016. THE PRODUCTION OF BIOHYDROGEN AND BIOMETHANE FROM CASSAVA WASTEWATER UNDER MESOPHILIC ANAEROBIC FERMENTATION BY USING UPFLOW ANAEROBIC SLUDGE BLANKET REACTORS (UASB). Jurnal Teknologi. 78, 5-6 (May 2016). DOI:https://doi.org/10.11113/jt.v78.8629.