LEŚNIEWSKA, A.; STOSIK, A.; ŁASIŃSKI, G. THE EFFECTIVENESS OF THE POLISH SPORT FEDERATIONS IN ATHLETES’ OPINION. Journal of Positive Management, [S. l.], v. 9, n. 2, p. 34–55, 2019. DOI: 10.12775/JPM.2018.141. Disponível em: https://apcz.umk.pl/JPM/article/view/JPM.2018.141. Acesso em: 18 jul. 2024.