JENSEN, M. T. The Bystander Effect of Trekking Tourism: Proposing a Typology of Environmental Ideal Types. Nepal Tourism and Development Review, [S. l.], v. 1, n. 1, p. 41–55, 2013. DOI: 10.3126/ntdr.v1i1.7369. Disponível em: https://www.nepjol.info/index.php/NTDR/article/view/7369. Acesso em: 29 apr. 2024.