Willwéber, T. and Čillík, I. (2017) “Physical development and general physical performance of children at the age of 5 – 10 years”, Journal of Education, Health and Sport, 7(8), pp. 309–316. Available at: https://apcz.umk.pl/JEHS/article/view/4733 (Accessed: 21 April 2024).