Ponkerd, J., and M. Muttiko. “Self-Reflective Thoughts and Self-Practices of Obese Children: A Case Study of Grade 6 Children in Ubon Ratchathani Province”. Kasetsart Journal of Social Sciences, vol. 35, no. 3, Dec. 2014, pp. 506-15, https://so04.tci-thaijo.org/index.php/kjss/article/view/247298.