HUYKE, Roberto. A FARM MANAGEMENT STUDY OF 60 DAIRY FARMS IN PUERTO RICO, 1935-36. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 23, n. 3, p. 131–175, 1939. DOI: 10.46429/jaupr.v23i3.12896. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/12896. Acesso em: 26 sep. 2024.