Asrie, Nigussie Ayehu, and Mesenbet Yibeltal Sebhat. “Numerical Groundwater Flow Modeling of the Northern River Catchment of the Lake Tana, Upper Blue Basin, Ethiopia”. Journal of Agriculture and Environment for International Development (JAEID) 110, no. 1 (June 27, 2016): 5–26. Accessed March 29, 2024. https://www.jaeid.it/index.php/jaeid/article/view/11102.