CLEMENS, O. Education for more Sustainable Travel Approaches in Group Tourism: Forum Anders Reisen. Almatourism - Journal of Tourism, Culture and Territorial Development, [S. l.], v. 5, n. 2, p. 57–59, 2014. DOI: 10.6092/issn.2036-5195/4519. Disponível em: https://almatourism.unibo.it/article/view/4519. Acesso em: 3 jul. 2024.