Piriyakoontorn, S., Balthip, K., Petchruschatachart, U., & Tiraphat, N. (2016). Developing a Model for Enhancing the Goodness , Smartness and Happiness of Thai Primary School Students in Songkhla Province: A Participation Action Research Study. Journal of Research in Nursing-Midwifery and Health Sciences, 36(3), 150–171. Retrieved from https://he02.tci-thaijo.org/index.php/nur-psu/article/view/73426