ไชยดาเอกชัย, คำสุขแววมยุรา, and ทวินันท์กาญจนา. “The Happiness Comparison of People in Southern and Eastern of Thailand”. Business Review Journal 9, no. 2 (December 29, 2017): 93-109. Accessed January 27, 2021. https://so01.tci-thaijo.org/index.php/bahcuojs/article/view/117842.