Chale, F. M. M. “Studies on the Fisheries and Biology of Oreochromis Urolepsis (Pisces: Cichilidae) in the Mtera Resorvoir (Tanzania)”. Tanzania Journal of Science, vol. 30, no. 2, Apr. 2021, pp. 30-39, https://tjs.udsm.ac.tz/index.php/tjs/article/view/435.