Umnat, Suparat, Patpen Penjumras, Rattaphong Pokkaew, Wilasinee Saiphong, Nanthikan Tongsukngam, and Isara Wattananapakasem. “Development of Purple Sweet Potato-Based Ice Cream Product”. Journal of Technical Education Science 18, no. Special Issue 01 (January 16, 2023): 35–40. Accessed April 7, 2026. https://www.jte.edu.vn/index.php/jte/article/view/1334.