URBAŃSKI, R. Trail running-management, organization, safety, evaluation. The activity of ITRA Association. Journal of Education, Health and Sport, [S. l.], v. 8, n. 8, p. 1236–1249, 2018. Disponível em: https://apcz.umk.pl/JEHS/article/view/6212. Acesso em: 14 jun. 2024.