F. Abera, F. and Shumete, A. 2021. Optimal Operation of Cascade Reservoir Systems under Climate Change: Case Study of Tekeze Hydropower Reservoir in the Tributary of the Blue Nile River. Abyssinia Journal of Engineering and Computing. 1, 2 (Jul. 2021), 31–46. DOI:https://doi.org/10.20372/ajec.2021.v1.i2.242.