EARLE, F. S. VARIETIES OF SUGAR CANE IN PORTO RICO. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 3, n. 2, p. 15–55, 1919. DOI: 10.46429/jaupr.v3i2.15151. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/15151. Acesso em: 2 may. 2024.