Positive Periodic Solutions of Functional Difference Equations and Applications in Population Dynamics. Journal of Nonlinear Modeling and Analysis, [S. l.], v. 5, n. 3, p. 540–548, 2024. DOI: 10.12150/jnma.2023.540. Disponível em: https://www.global-sci.com/index.php/jnma/article/view/13700. Acesso em: 6 dec. 2025.