A study of chaos and its control in a harvested tri-trophic food chain model with alternative food source and diffusion effect. Nonlinear Studies, [S. l.], v. 27, n. 2, 2020. Disponível em: https://www.nonlinearstudies.com/index.php/nonlinear/article/view/1981. Acesso em: 18 sep. 2025.