CARLO, I.; VÉLEZ, J. Evaluation of Different Feeding Systems for Dairy Heifers. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 62, n. 4, p. 311–320, 1978. DOI: 10.46429/jaupr.v62i4.10342. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/10342. Acesso em: 2 oct. 2022.