Nicholas Ude (Phd), Eze, Obichukwu Uzochukwu Peter, and Nnadi Hillary Sunday. “Competency-Based Learning (CBL) and Animation-Based Learning: A Comparative Study on students’ Academic Achievement, Interest and Retention in Auto Mechanics”. International Journal of Engineering & Technology 7, no. 4 (June 30, 2019): 6558–6564. Accessed December 22, 2024. https://sciencepubco.com/index.php/ijet/article/view/28755.