ASTANIN, D. M. Ecological and cultural aspects of the evolutionary development models of ecological tourism. New Trends and Issues Proceedings on Humanities and Social Sciences, [S. l.], v. 6, n. 6, p. 30–40, 2019. DOI: 10.18844/prosoc.v6i6.4465. Disponível em: https://un-pub.eu/ojs/index.php/pntsbs/article/view/4465. Acesso em: 3 may. 2024.