Vélez-Ramos, A. et al. 1990. Candidate herbicides to control itchgrass (Rottboellia exaltata) in sugarcane fields. The Journal of Agriculture of the University of Puerto Rico. 74, 2 (Apr. 1990), 145–152. DOI:https://doi.org/10.46429/jaupr.v74i2.6547.