Niradrop, O., Ratanabuth, P. and Poompin, K. (2018) “Physical Fitness Norms for Grade 1 – 6 Students of Ramkhamhaeng University Demonstration Elementary School”, Vajira Medical Journal : Journal of Urban Medicine, 62(2), pp. 109–118. Available at: https://he02.tci-thaijo.org/index.php/VMED/article/view/195638 (Accessed: 19 May 2024).