Mohammad, Gorgees Shaheed. “Mathematical Modeling and Statistical Prediction of the Spread of the Covid-19 Epidemic in Iraq With Use SIR, R0”. Journal of Al-Qadisiyah for Computer Science and Mathematics 13, no. 1 (March 18, 2021): Stat Page 1 – 14. Accessed November 21, 2024. https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/776.