Puichumpol, P., Kaewpeng, W. and Soipetkasem, C. (2019) “A STUDY ON SPORT ACHIEVEMENT MOTIVATION IN STUDENTS OF SOUTHERN SPORTS SCHOOL”, Academic Journal of Thailand National Sports University. Chonburi, Thailand, 11(2), pp. 275–289. available at: https://he02.tci-thaijo.org/index.php/TNSUJournal/article/view/244720 (accessed: 19 September 2026).