V. H. Severino-Lendechy, F. Montiel-Palacios, and P. Pérez-Hernández, “Age and weight at puberty in tropical dairy criollo heifers with and without supplementary feeding”, Ecosist. Recur. Agropec., vol. 4, no. 12, pp. 555–561, Sep. 2017, doi: 10.19136/era.a4n12.1195.