Mahakittikun, Khwanjit, Pichet Suwanchinda, and Weena Chanchong. “Adolescent Students’ Happiness”. Journal of Research in Nursing-Midwifery and Health Sciences 36, no. 1 (April 20, 2016): 87–98. Accessed April 28, 2024. https://he02.tci-thaijo.org/index.php/nur-psu/article/view/55085.