Jitta, Chachadaporn, Wichian Tansuwannon, and Chatchawan Phetkong. “Nutrition Literacy of Elderly People in Health Region 5”. Journal of Nutrition Association of Thailand 55, no. 2 (December 16, 2020): 62–77. Accessed May 19, 2024. https://he01.tci-thaijo.org/index.php/JNAT/article/view/245240.