Staniek, Marzena, and Krystyna Górna-Łukasik. “Conditions for Exercise Classes in Silesian Nursery School”. Sport and Tourism Central European Journal 15, no. 3 (April 6, 2019): 51–64. Accessed April 26, 2024. https://czasopisma.ujd.edu.pl/index.php/sport/article/view/368.