Shakib, Nazmus, and Mamunur Rashid. “Biogas Production Optimization from POME by Using Anaerobic Digestion Process”. Journal of Applied Science & Process Engineering 6, no. 2 (September 30, 2019): 369–377. Accessed July 3, 2024. https://publisher.unimas.my/ojs/index.php/JASPE/article/view/1711.