Moscoso, C. G., and B. G. Capó. “Characteristic (Discriminant Function) Indices of Chironja, Orange and Grapefruit”. The Journal of Agriculture of the University of Puerto Rico 57, no. 1 (January 1, 1973): 65–77. Accessed December 22, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/10756.