Attasampant, Rattinun, Prarop Kaoses, and Ying Keeratiburana. 2020. “Development of Training Courses to Promote Morality and Ethics for Children and Youth in Surat Thani Province”. Parichart Journal 33 (1):127-42. https://so05.tci-thaijo.org/index.php/parichartjournal/article/view/149848.