RUIZ, T. M.; RIVERA, B.; CORCHADO, N. Two feeding systems for lactating dairy cows grazing fertilized grasses. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 79, n. 3-4, p. 99-110, 1995. DOI: 10.46429/jaupr.v79i3-4.4305. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/4305. Acesso em: 19 jan. 2022.