Vélez-Colón, Rubén, Santos A. Henríquez, and Raúl Macchiavelli. “PRELIMINARY EVALUATION OF GUAVA (PSIDIUM GUAJAVA; GENOTYPES ON THE SOUTH COAST OF PUERTO RICO”. The Journal of Agriculture of the University of Puerto Rico 87, no. 3-4 (July 1, 2003): 149-153. Accessed October 28, 2021. https://revistas.upr.edu/index.php/jaupr/article/view/1106.