Thongsrikate, Ittipong, Jirawat Rugchat, and Surachai Srinorajan. 2025. “The consumption of elderly people in the northern region: Roles and Transition to Active Aging”. Journal of Social Sciences, Chiang Mai University 37 (1). Chiangmai, Thailand:188-215. https://so04.tci-thaijo.org/index.php/jss/article/view/278910.