Mulatu Mazengia, G. ., and M. . Mulugeta Alamnie. “LIFE-TIME MANAGEMENT OF RAILS BASED ON STRUCTURAL RELIABILITY APPROACH”. Zede: Journal of Ethiopian Engineers and Architects የኢትዮጵያ መሐንዲሶችና አርክቴክቶች መጽሔት, vol. 34, Feb. 2023, pp. 20-27, https://ejol.aau.edu.et/index.php/ZEDE/article/view/6500.