Sapmee, Monnipa, Chainarong Suvarnasara, and Taneenart Na Soonthorn. “The Development of Good Citizen’s Characteristics Program for Secondary School Students in Thailand”. Scholar: Human Sciences 12, no. 2 (April 29, 2021): 229-236. Accessed May 8, 2024. http://www.assumptionjournal.au.edu/index.php/Scholar/article/view/4031.