Ameen Pirdawood, Mardan, Hemn Mohammed Rasool, Younis Abid Sabawi, and Berivan Faris Azeez. “Mathematical Modeling and Analysis for COVID-19 Model by Using Implicit-Explicit Rung-Kutta Methods”. Academic Journal of Nawroz University 11, no. 3 (June 8, 2022): 65–73. Accessed July 23, 2024. https://journals.nawroz.edu.krd/index.php/ajnu/article/view/1244.