EIMAN, AND, ZAKIR ULLAH, NAIB UR RAHMAN, and FARMAN ULLAH. “Computation of Approximate Solution to COVID-19 Mathematical Model”. Journal of Mathematical Analysis and Modeling 2, no. 3 (November 25, 2021): 21–28. Accessed April 30, 2026. https://www.sabapub.com/index.php/jmam/article/view/347.