Ameen Pirdawood, M., Mohammed Rasool, H., Abid Sabawi, Y., & Faris Azeez, B. (2022). Mathematical Modeling and Analysis for COVID-19 Model by Using Implicit-Explicit Rung-Kutta Methods. Academic Journal of Nawroz University, 11(3), 65–73. https://doi.org/10.25007/ajnu.v11n3a1244