BYZDRA, K.; SZTURMOWSKI, M.; STĘPNIAK, R. Crossfit training in the process of preparation of the motorized athletes. Journal of Education, Health and Sport, [S. l.], v. 7, n. 8, p. 1592–1609, 2017. Disponível em: https://apcz.umk.pl/JEHS/article/view/5148. Acesso em: 30 nov. 2023.