Nyaki, Anna S., and Karoli N. Njau. “Assessment of Dairy Wastewater Treatment and Its Potential for Biogas Production at Tanga Fresh Limited”. Tanzania Journal of Science 42, no. 1 (April 17, 2021): 120–133. Accessed April 11, 2025. https://tjs.udsm.ac.tz/index.php/tjs/article/view/302.