ORDYŁOWSKI, Marek; SZYMAŃSKI, Leonard. Operational surveillance of Security Service over sports movement in People’s Republic of Poland in the 80’s. Sport and Tourism Central European Journal, [S. l.], v. 15, n. 2, p. 63–76, 2019. DOI: 10.16926/kf.2016.15.12. Disponível em: https://czasopisma.ujd.edu.pl/index.php/sport/article/view/379. Acesso em: 24 apr. 2024.