Cancel, Luis E., and Evangelina R. de Hernández. “Effect of Blanching and Freezing on the Texture and Color of Candied Citron”. The Journal of Agriculture of the University of Puerto Rico 63, no. 3 (July 1, 1979): 309–314. Accessed December 4, 2022. https://revistas.upr.edu/index.php/jaupr/article/view/10288.