Rattanakum J, Rattanakum W. A STUDY OF ETHICAL BEHAVIORS OF INSTITUTE OF PHYSICAL EDUCATION. J.TNSU [internet]. 2010 Sep. 1 [cited 2026 Sep. 19];2(2):91-9. available from: https://he02.tci-thaijo.org/index.php/TNSUJournal/article/view/249588