Chootsungnoen, P., Leenoi, P. and Kaewprag, S. (2026) “EFFECTS OF PITCH SIZE ON INTERNAL AND EXTERNAL LOAD IN 4V4+1 SMALL - SIDED SOCCER GAMES”, Academic Journal of Thailand National Sports University. Chonburi, Thailand, 18(2), pp. 43–56. available at: https://he02.tci-thaijo.org/index.php/TNSUJournal/article/view/272952 (accessed: 20 September 2026).