Sharif, A. F. ., S. K. Mattout, and N. A. . Mitwally. “Coronavirus Disease-19 Spread in the Eastern Mediterranean Region, Updates and Prediction of Disease Progression in Kingdom of Saudi Arabia, Iran, and Pakistan”. International Journal of Health Sciences, vol. 14, no. 5, Aug. 2020, pp. 32-42, https://pub.qu.edu.sa/index.php/journal/article/view/5017.