KOUSAR, N.; MAHMOOD, R.; GHALIB, M. A Numerical Study of SIR Epidemic Model. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 25, n. 2, p. 354–363, 2016. Disponível em: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/5292. Acesso em: 2 nov. 2025.