Assefa, B. (2023) “DEFLUORIDATION OF ETHIOPIAN RIFT VALLEY REGION WATER USING REVERSE OSMOSIS MEMBRANES”, Zede: Journal of Ethiopian Engineers and Architects የኢትዮጵያ መሐንዲሶችና አርክቴክቶች መጽሔት, 23, pp. 1–6. Available at: https://ejol.aau.edu.et/index.php/ZEDE/article/view/6524 (Accessed: 16March2026).