GRAJA-ZWOLIŃSKA, S.; SPYCHAŁA, A. What is nature tourism? Case study: university students. Turyzm/Tourism, [S. l.], v. 23, n. 1, p. 37–45, 2013. DOI: 10.2478/tour-2013-0004. Disponível em: https://czasopisma.uni.lodz.pl/tourism/article/view/7573. Acesso em: 6 may. 2024.