Zhengjun, Guan, Sun Xianli, Bi Lanping, Li Wenzhe, Zhang Ying, and Wang Zhigang. “Two-Phase Anaerobic Co-Digestion of Dairy Manure With Swine Manure”. International Journal of Agricultural and Biological Engineering 9, no. 2 (March 31, 2016): 146–152. Accessed January 27, 2026. https://ijabe.org/index.php/ijabe/article/view/1637.