RODRÍGUEZ, S. J.; BOSQUE LUGO, R.; PÉREZ-PÉREZ, R.; MORALES MUÑOZ, A. Effect of Planting Distances on Shaded Coffee Yield in Puerto Rico. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 50, n. 2, p. 82–86, 1966. DOI: 10.46429/jaupr.v50i2.3716. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/3716. Acesso em: 14 aug. 2022.