Niwiński , Radosław. “Legal Status of sportsman’s in Poland in the Era of Late Socialism and in the First Years After the Transformation of the Political System (1984-1996)”. Miscellanea Historico-Iuridica 19, no. 2 (April 1, 2021): 447–469. Accessed August 12, 2022. http://miscellanea.uwb.edu.pl/article/view/525.