Wąs, Sławomir, and Zygmunt Siedlecki. 2022. “Injuries Related to Taekwondo Training - Short Report Based on Experiences from Primary School No. 31 With Sports Championship Classes in Bydgoszcz (Poland)”. Journal of Education, Health and Sport 12 (7):99-104. https://doi.org/10.12775/JEHS.2022.12.07.010.