Huang, C. L., J. E. Epperson, and J. M. Law. “Sweet Potato Purchase Behavior: An Analysis of the Household Decision-Making Process”. The Journal of Agriculture of the University of Puerto Rico 64, no. 4 (October 1, 1980): 418–423. Accessed April 26, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/10188.