Pinjai, R., T. Boonariyatep, and A. Jaiwong. “The Effects of Community Happiness Program on Happiness and Resilience Quotient of Working Age People”. Academic Psychiatry and Psychology Journal, vol. 39, no. 1, Mar. 2023, pp. 39-50, https://he01.tci-thaijo.org/index.php/APPJ/article/view/259449.