Panyasaisophon, T., A. Visuttranukul, and P. Chuenjairuang. “DEVELOPMENT AND EVALUATION OF A MODEL OF PARTICIPATION IN HEALTH PROMOTION FOR HAPPINESS AMONG THE ELDERLY”. Suranaree Journal of Science and Technology, vol. 28, no. 1, Aug. 2026, pp. 070012(1-10), https://ph04.tci-thaijo.org/index.php/SUJST/article/view/14869.