Omara, Tarek, and Khaled A. Harby. “Using Mathematical and Statistical Model to Forecast the Path of Infection by Covid-19 in the Kingdom of Saudi Arabia”. IIUM Medical Journal Malaysia 20, no. 2 (April 1, 2021). Accessed April 20, 2024. https://journals.iium.edu.my/kom/index.php/imjm/article/view/1683.