E. C. I and O. E. Uko, “Universal Electronic Student Course Registration Model (U-ESCRM)”, ASRJETS-Journal, vol. 40, no. 1, pp. 1–5, Feb. 2018, Accessed: Sep. 20, 2025. [Online]. Available: https://asrjetsjournal.org/American_Scientific_Journal/article/view/3801