Panyasai, Touchnakorn, Songpol Tornee, and Kaysorn Sumpowthong. “The mental health promotion evaluation form for depressive prevention in elderly in Chiang Rai”. Journal of Medicine and Health Sciences 21, no. 3 (December 24, 2014): 47–54. accessed October 10, 2026. https://he01.tci-thaijo.org/index.php/jmhs/article/view/58659.