Nemera H. Evaluation of Koka Reservoir Operation under Sedimentation: Implications for Irrigation Water Demands in Upper Awash Valley, Awash River Basin. EJWST [Internet]. 2025Nov.10 [cited 2025Nov.12];8:38-1. Available from: https://survey.amu.edu.et/ojs/index.php/EJWST/article/view/697