Tayyib, Nahla A., et al. “Attitude of Faculty Members Towards E-Learning in Saudi Universities: A Cross-Sectional Study”. Journal of Liaquat University of Medical & Health Sciences, vol. 19, no. 04, Dec. 2020, pp. 291-6, http://ojs.lumhs.edu.pk/index.php/jlumhs/article/view/497.