HEPPERLY, P. R. Sorghum rust. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 72, n. 1, p. 65–71, 1988. DOI: 10.46429/jaupr.v72i1.6835. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/6835. Acesso em: 26 may. 2022.