1.
chartwong P. The Use of Free Time and Exercise Behaviors of Lower Secondary School Students in Yala Municipality. J.TNSU [internet]. 2014 Jan. 1 [cited 2026 Sep. 19];6(1):1-14. available from: https://he02.tci-thaijo.org/index.php/TNSUJournal/article/view/255887