CLARKE, S. Ecotourism and Sustainability of the Tourism Sector: Global Perspective. Journal of Hospitality and Tourism Management, [S. l.], v. 3, n. 2, p. 64–70, 2020. Disponível em: https://stratfordjournalpublishers.org/journals/index.php/Journal-of-Hospitality/article/view/715. Acesso em: 21 jul. 2025.