HOPPSTADIUS, F.; MÖLLER, C. ‘You have to try being a role model’ – Learning for sustainability among tourism entrepreneurs in a Swedish biosphere reserve. European Journal of Tourism Research, [S. l.], v. 20, p. 28–45, 2018. DOI: 10.54055/ejtr.v20i.338. Disponível em: https://www.ejtr.vumk.eu/index.php/about/article/view/338. Acesso em: 26 oct. 2026.