Gebru, Amanuel, Daniel Alemayehu, and Zewdu Teka. 2022. “Differences in Grading Practices of Part-Time and Full-Time Faculty: A Departmental Study at Addis Ababa University”. Ethiopian Journal of Development Research 26 (2):1-26. http://ejol.aau.edu.et/index.php/EJDR/article/view/3398.