ส่อนราช ค. (2019). Needs and Guidelines for Muaythai Teacher Development in Accordance with Basic Education Core Curriculum B.E. 2551 (A.D. 2008). Pathumthani University Academic Journal, 11(2), 247–262. Retrieved from https://so05.tci-thaijo.org/index.php/ptujournal/article/view/218676