Chen, Xiguang, Rowena T. Romano, and Ruihong Zhang. “Anaerobic Digestion of Food Wastes for Biogas Production”. International Journal of Agricultural and Biological Engineering 3, no. 4 (December 20, 2010): 61–72. Accessed January 27, 2026. https://ijabe.org/index.php/ijabe/article/view/214.