Gebre , Abrham. “Neutral Axis Depth Profile of Reinforced Concrete Beams”. Zede: Journal of Ethiopian Engineers and Architects የኢትዮጵያ መሐንዲሶችና አርክቴክቶች መጽሔት 38 (February 8, 2023): 27–35. Accessed April 10, 2026. https://ejol.aau.edu.et/index.php/ZEDE/article/view/6543.