OSUAFOR , Abigail M., and Melody O. OBILI. “Effects of Digital Video Instructional Strategy on Students’ Achievement and Retention in Basic Science”. Socialscientia: Journal of Social Sciences and Humanities 6, no. 1 (June 17, 2021). Accessed May 5, 2024. https://journals.aphriapub.com/index.php/SS/article/view/1301.