GHADEER, Emad Talal; MOHAMMED, Maha A. Solving Nonlinear COVID-19 Mathematical Model Using a Reliable Numerical Method. Ibn AL-Haitham Journal For Pure and Applied Sciences, Baghdad, Iraq., v. 35, n. 2, p. 97–107, 2022. DOI: 10.30526/35.2.2818. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/2818. Acesso em: 29 mar. 2025.