VICENTE-CHANDLER, José; ABRUÑA, Fernando; SILVA, Servando. Effect of Shade Trees on Yields of Five Crops in the Humid Mountain Region of Puerto Rico. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 50, n. 3, p. 218–225, 1966. DOI: 10.46429/jaupr.v50i3.3459. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/3459. Acesso em: 25 apr. 2024.