Sangwipark, Pongtorn. 2020. “DEVELOPMENT OF MUAY THAI COURSE FOR HIGH SCHOOL LEVEL BASED ON THE BASIC EDUCATION CORE CURRICULUM IN 2008”. Academic Journal of Thailand National Sports University 13 (1). Chonburi, Thailand:215-32. https://he02.tci-thaijo.org/index.php/TNSUJournal/article/view/248394.