Romero-Ordoñez, M., Pérez-Núñez, J. and Vásquez-Serpa, L. 2022. Qualitative analysis and simulations of a ratio-dependent May-Holling-Tanner predator-prey model with an alternative food source for the predator. Selecciones Matemáticas. 9, 01 (Jul. 2022), 196 - 209. DOI:https://doi.org/10.17268/sel.mat.2022.01.17.