Martin, F. W., and M. Rhodes. “Sweet Potato Variability in Boiled Slices and Fried Chips”. The Journal of Agriculture of the University of Puerto Rico 68, no. 3 (July 1, 1984): 223–233. Accessed December 22, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/7281.