Mahushiab, D. J. ., Muzukaa , A. N. ., & Machunda , R. L. . (2021). Optimization of Biogas Production Process in Solid State Digesters in Semiarid Areas of Northern Tanzania. Tanzania Journal of Science, 44(3), 205–213. Retrieved from https://tjs.udsm.ac.tz/index.php/tjs/article/view/227