URNIAŻ, Jerzy. Enlightenment and reform of The National Education Commission, its pioneering system of centralized management, the school program and physical education: myths and reality. Sport and Tourism Central European Journal, [S. l.], v. 3, n. 1, p. 11–27, 2020. DOI: 10.16926/sit.2020.03.01. Disponível em: https://czasopisma.ujd.edu.pl/index.php/sport/article/view/885. Acesso em: 25 apr. 2024.