S. M. Ridwan, “An Assessment of Multimedia Resources in Teaching and Learning in Ahmadu Bello University, Zaria”, IJSBAR, vol. 21, no. 1, pp. 60–68, Mar. 2015, Accessed: Sep. 14, 2025. [Online]. Available: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/3418