Ren, Haiwei, Zili Mei, Wenguang Fan, Yujie Wang, Feifei Liu, Tao Luo, Dong Li, Zhizhong Li, and Rong Feng. 2018. “Effects of Temperature on the Performance of Anaerobic Co-Digestion of Vegetable Waste and Swine Manure”. International Journal of Agricultural and Biological Engineering 11 (1):218-25. https://doi.org/10.25165/ijabe.v11i1.3706.