Rendón H., Diana, et al. “Demographic Parameters in the Population of Dogs and Cats in Human Settlements of the District of Ventanilla, Callao-Peru”. Revista De Investigaciones Veterinarias Del Perú, vol. 29, no. 1, Mar. 2018, pp. 217-25, https://doi.org/10.15381/rivep.v29i1.14191.