ROMÁN-HERNÁNDEZ, O.; BEAVER, J. S. Optimum stage of development for harvesting green-shelled beans. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 80, n. 3, p. 89–94, 1996. DOI: 10.46429/jaupr.v80i3.4360. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/4360. Acesso em: 8 jun. 2023.