Xie , Xiaoyu, Wisute Tongdecharoen, and Nopporn Tisniana. “The Effects of Sand Surface Floor Training on the Physical Fitness and Skills of Novice Taekwondo Students”. International Journal of Sociologies and Anthropologies Science Reviews 5, no. 2 (March 21, 2025): 749–760. accessed June 23, 2025. https://so07.tci-thaijo.org/index.php/IJSASR/article/view/5646.