Piwcram, P., Nilthajan, N., Piwcram, M. and Sutthipan, W. (2018) “The Analysis of Elements Sportsmanship of the Physical Education Students in the Institute of Physical Education”, Academic Journal of Thailand National Sports University. Chonburi, Thailand, 10(1), pp. 41–52. available at: https://he02.tci-thaijo.org/index.php/TNSUJournal/article/view/249174 (accessed: 18 September 2026).