Chibwana, Fred D., and Gamba Nkwengulila. 2021. “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 42 (1):148-57. https://tjs.udsm.ac.tz/index.php/tjs/article/view/319.