Chibwana, F. D., and G. Nkwengulila. “Spread of Tylodelphys Mashonense (digenea: Diplostomidae) by Grey Heron Ardea Cinerea and Great White Egret A. Alba in Lake Victoria, Tanzania”. Tanzania Journal of Science, vol. 42, no. 1, Apr. 2021, pp. 148-57, https://tjs.udsm.ac.tz/index.php/tjs/article/view/319.