Szczepanoska-Wołowiec, Beata, and Paulina Sztandera. “The Feet Construction of 9-Year-Old Children”. Journal of Education, Health and Sport 8, no. 7 (May 31, 2018): 39–46. Accessed December 26, 2024. https://apcz.umk.pl/JEHS/article/view/5545.