Zhen, Feng, et al. “Optimization of the Methane Production in Batch Anaerobic Digestion of Maize Straw by Adjustment of Total Solid and Substrate-to-Inoculum Ratio Based on Kinetics”. International Journal of Agricultural and Biological Engineering, vol. 17, no. 1, Mar. 2024, pp. 225-31, https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/8434.