Assefa, Abebayehu, and Demiss Alemu. “The Viability of Solar Energy for Domestic Water Heating in Ethiopian Cities”. Zede: Journal of Ethiopian Engineers and Architects የኢትዮጵያ መሐንዲሶችና አርክቴክቶች መጽሔት 9 (January 31, 2023): 35–46. Accessed April 10, 2026. https://ejol.aau.edu.et/index.php/ZEDE/article/view/6208.