HEPPERLY, P. R.; VÁZQUEZ, F. Tropical yam (Dioscorea spp.) performance in western Puerto Rico. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 73, n. 2, p. 133–139, 1989. DOI: 10.46429/jaupr.v73i2.6413. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/6413. Acesso em: 29 jan. 2023.