Luka, Y. et al. 2026. Kinetics and Statistical Analysis in Biogas Production: Optimization of Clostridium welchii Bioaugmentation of Solid Organic Waste from Shinko. Scientific Journal of Engineering Research. 2, 4 (Aug. 2026), 456–471. DOI:https://doi.org/10.64539/sjer.v2i4.2026.528.