Darwin, D., Cheng, J. J., Liu, Z., Gontupil, J., & Kwon, O.-S. (2014). Anaerobic co-digestion of rice straw and digested swine manure with different total solid concentration for methane production. International Journal of Agricultural and Biological Engineering, 7(6), 79–90. Retrieved from https://www.ijabe.migration.pkpps06.publicknowledgeproject.org/index.php/ijabe/article/view/1199