Poonpanich, Yuttana, and Saengnapha Uthaisaengphaisan. “Community Healthcare Promotion: Preparing for Aged Society”. Journal of Health Science of Thailand 23, no. 2 (November 28, 2017): 226–238. Accessed December 5, 2025. https://thaidj.org/index.php/JHS/article/view/670.