Díaz, N., T. Rodríguez, and I. B. de Caloni. “Some Characteristics of the Chemical Composition and General Quality of the Red Spanish and PR 1-67 Pineapple Varieties”. The Journal of Agriculture of the University of Puerto Rico 67, no. 4 (October 1, 1983): 507–513. Accessed April 25, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/7746.