Attasampant, R., P. Kaoses, and Y. Keeratiburana. “Development of Training Courses to Promote Morality and Ethics for Children and Youth in Surat Thani Province”. Parichart Journal, vol. 33, no. 1, Mar. 2020, pp. 127-42, https://so05.tci-thaijo.org/index.php/parichartjournal/article/view/149848.