CEMBRUCH-NOWAKOWSKI, M. Green Hotels – Exception or Norm?. Studies of the Industrial Geography Commission of the Polish Geographical Society, [S. l.], v. 33, n. 3, p. 159–175, 2019. DOI: 10.24917/20801653.333.11. Disponível em: https://prace-kgp.uken.krakow.pl/article/view/4965. Acesso em: 23 nov. 2024.