Manmanah, Direak. “The Thinking Skills Development by P4C in Sociology of Conflict Course”. Rajamangala University of Technology Tawan-ok Social Science Journal 2565, no. 2 (December 31, 2022): 40–52. accessed September 28, 2026. https://so05.tci-thaijo.org/index.php/SocialJournal2rmutto/article/view/260068.