Nookum, P. (2022) “Construction of Physical Fitness Norm’s for 7 - 9 Years old Student of Vientiane Lao People’s Democratic Republic”, Academic Journal of Thailand National Sports University. Chonburi, Thailand, 7(2), pp. 63–76. available at: https://he02.tci-thaijo.org/index.php/TNSUJournal/article/view/256455 (accessed: 19 September 2026).