Almuwais, A., S. Alqabbani, N. Benajiba, and F. Almoayad. “An Emergency Shift to E-Learning in Health Professions Education: A Comparative Study of Perspectives Between Students and Instructors”. International Journal of Learning, Teaching and Educational Research, vol. 20, no. 6, June 2021, pp. 16-37, http://ijlter.myres.net/index.php/ijlter/article/view/76.