ARROYO-AGUILÚ, J. A.; RIVERA-BRENES, L.; CABRERA, J. I. Effect of Four Crude-Protein Concentrate Mixes upon Milk Production in Puerto Rico. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 54, n. 1, p. 76–81, 1970. DOI: 10.46429/jaupr.v54i1.11114. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/11114. Acesso em: 22 dec. 2024.