1.
Urniaż J. Enlightenment and reform of The National Education Commission, its pioneering system of centralized management, the school program and physical education: myths and reality. Sport tur. [Internet]. 2020 Mar. 24 [cited 2024 Apr. 26];3(1):11-27. Available from: https://czasopisma.ujd.edu.pl/index.php/sport/article/view/885