Analysis of a Kind of Quitting Smoking Model with Beddington-DeAngelis Function. Journal of Nonlinear Modeling and Analysis, [S. l.], v. 2, n. 3, p. 447–465, 2024. DOI: 10.12150/jnma.2020.447. Disponível em: https://global-sci.com/jnma/article/view/13570. Acesso em: 4 mar. 2026.