A. M. Alshomrani, Nada, Weam G. Alharbi, Ibtisam M. A. Alanazi, Lujain S. M. Alyasi, Ghadi N. M. Alrefaei, Seada A. Al’amri, and Asmaa H. Q. Alanzi. 2024. “HOMOTOPY PERTURBATION METHOD FOR SOLVING A NONLINEAR SYSTEM FOR AN EPIDEMIC”. Advances in Differential Equations and Control Processes 31 (3). https://ojs.acad-pub.com/index.php/ADECP/article/view/2442.