Khan, Shakir. “Visual Data Analysis and Simulation Prediction for COVID-19 in Saudi Arabia Using SEIR Prediction Model”. International Journal of Online and Biomedical Engineering (iJOE) 17, no. 08 (August 16, 2021): pp. 154–167. Accessed November 22, 2024. https://online-journals.org/index.php/i-joe/article/view/20099.