Piza, Caio Spada de Toledo, Mariluce Pascoina Nepomuceno, e Pedro Luís da Costa Aguiar Alves. 2016. “Period Prior to Interference of Morning Glory in Sugarcane”. Científica 44 (4). Dracena, SP:543-48. https://doi.org/10.15361/1984-5529.2016v44n4p543-548.