A.-D. H. Khlebus, A.-A. R. Tomma, and A.-T. R. Ramthan, “E-learning and blended learning”, ASRJETS-Journal, vol. 33, no. 1, pp. 279–295, Jul. 2017, Accessed: Oct. 13, 2025. [Online]. Available: https://www.asrjetsjournal.org/American_Scientific_Journal/article/view/3141