FENG, C. Existence of positive periodic solutions for a predator-prey model. Tamkang Journal of Mathematics, [S. l.], v. 55, n. 1, p. 45–54, 2024. DOI: 10.5556/j.tkjm.55.2024.4821. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4821. Acesso em: 23 apr. 2024.