Abera, D. . “Appropriateness, Practice and Challenges of Student Self-Assessment in the Context of Modularized Instruction in Addis Ababa University: Perspectives of Stakeholders”. The Ethiopian Journal of Education, vol. 41, no. 1, June 2021, pp. 113-52, http://213.55.95.79/index.php/EJE/article/view/1560.