Tintinago-Ruiz, Paulo C., Eduardo González-Olivares, and Alejandro Rojas-Palma. “Dynamics of a Predation Model Considering Sigmoid Functional Response and Alternative Food for Predators”. Selecciones Matemáticas 9, no. 02 (December 30, 2022): 275 - 286. Accessed April 26, 2024. https://revistas.unitru.edu.pe/index.php/SSMM/article/view/4781.