González-Ibáñez, Jaime. “Control by Several Herbicides on Alexander Grass, Brachiaria Plantaginea (Link) Hitchc., in the Greenhouse”. The Journal of Agriculture of the University of Puerto Rico 70, no. 3 (July 1, 1986): 207–211. Accessed April 25, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/7093.