สุวรรณแข เยาวลักษณ์. “The Art of Happiness : A Handbook for Living”. Parichart Journal 26, no. 2 (November 25, 2015): 136–143. accessed September 12, 2026. https://so05.tci-thaijo.org/index.php/parichartjournal/article/view/42978.