@misc{Urniaż_Jerzy_Enlightenment_2020, author={Urniaż, Jerzy}, type={article}, publisher={Jan Długosz University in Czestochowa}, title={Enlightenment and reform of The National Education Commission, its pioneering system of centralized management, the school program and physical education: myths and reality}, address={Częstochowa}, year={2020}, language={pol}, }