Segarra-Carmona, Alejandro E., and Pedro Barbosa. “Notes on the Natural Enemies of Etiella Zinckenella in Puerto Rico”. The Journal of Agriculture of the University of Puerto Rico 72, no. 1 (January 1, 1988): 153–159. Accessed December 22, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/6845.