Echávez-Badel, Rodrigo. “Performance of Cucumber Varieties in Soil Infested With Root-Knot and Reniform Nematodes”. The Journal of Agriculture of the University of Puerto Rico 73, no. 4 (October 1, 1989): 321–325. Accessed April 16, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/6310.