PIÑAR ÁLVAREZ, Ángeles; NAVA TABLADA, M. E.; VIÑAS OLIVA, D. K. Migration and ecotourism in the Biosphere Reserve of Los Tuxtlas (Mexico). PASOS Revista de Turismo y Patrimonio Cultural, [S. l.], v. 9, n. 2, p. 383–396, 2011. DOI: 10.25145/j.pasos.2011.09.033. Disponível em: https://ojsull.webs.ull.es/ojs/index.php/Revista/article/view/2289. Acesso em: 18 jul. 2024.