PAŁUCKA, D. An outline of the problem of employing athletes by sport clubs in Poland. Journal of Education, Health and Sport, [S. l.], v. 7, n. 3, p. 726–735, 2017. Disponível em: https://apcz.umk.pl/JEHS/article/view/4905. Acesso em: 7 dec. 2023.