KOWALSKA, Jolanta Elżbieta. The principle of fair play in education of football fans. Journal of Education, Health and Sport, [S. l.], v. 9, n. 9, p. 1246–1253, 2019. Disponível em: https://apcz.umk.pl/JEHS/article/view/7631. Acesso em: 27 jan. 2025.