Caraballo, Elvin, Guillermo J. Fornaris, Rubén Guadalupe, and Evangelina Recio de Hernández. “Performance, Sizing and Total Solids of Nine Onion (Allium Cepa) Cultivars”. The Journal of Agriculture of the University of Puerto Rico 74, no. 1 (January 1, 1990): 21–27. Accessed March 29, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/6524.