Liu, Lii J., Evelyn Rosa-Márquez, and Enid Lizardi. “Smooth Leaf (spineless) Red Spanish Pineapple (Ananas Comosus) Propagated in Vitro”. The Journal of Agriculture of the University of Puerto Rico 73, no. 4 (October 1, 1989): 301–311. Accessed December 22, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/6308.