The Stiffness Phenomena for the Epidemiological SIR Model: a Numerical Approach. Latin-American Journal of Computing, [S. l.], v. 10, n. 2, p. 32–45, 2023. Disponível em: https://lajc.epn.edu.ec/index.php/LAJC/article/view/346. Acesso em: 10 oct. 2025.