G, Redzwan, and Banks C.J. “An Evaluation of Soft-Drink Wastewater Treatment by Anaerobic Digestion Process”. Malaysian Journal of Science 26, no. 1 (April 26, 2007): 35–42. Accessed November 22, 2024. https://mjs.um.edu.my/index.php/MJS/article/view/7970.