HUTCHINSON, J. B. THE COTTONS OF PUERTO RICO. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 28, n. 2, p. 35–42, 1944. DOI: 10.46429/jaupr.v28i2.12876. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/12876. Acesso em: 18 jul. 2024.