CERNA, Jonathan; BEAVER, James S. A visual indicator of the physiological maturity stage of indeterminate dry beans. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 73, n. 4, p. 361–365, 1989. DOI: 10.46429/jaupr.v73i4.6314. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/6314. Acesso em: 24 apr. 2024.