Yang, Huan, Xiaolin Lin, Jianquan Li, Yijiang Zhai, and Jing Wu. “A Review of Mathematical Models of COVID-19 Transmission”. Contemporary Mathematics 4, no. 1 (March 1, 2023): 75–98. Accessed July 15, 2024. https://ojs.wiserpub.com/index.php/CM/article/view/2080.