Analysis Approximate with Using Sumudu Adomian Decomposition Method for Solving SEIVR Epidemic Model. Journal of Engineering, [S. l.], v. 31, n. 2, p. 177–202, 2025. DOI: 10.31026/j.eng.2025.02.11. Disponível em: https://joe.uobaghdad.edu.iq/index.php/main/article/view/3496. Acesso em: 14 mar. 2025.