DE CASTRO, José Paulo Ribeiro; MARTINS, Maria Filomena Cardoso Pedrosa Ferreira. NATURAL PROTECTED AREAS AND SUSTAINABLE TOURISM: MONTESINHO NATURAL PARK AND DOURO INTERNATIONAL NATURAL PARK. Tourism & Management Studies, [S. l.], p. 1152–1158, 2012. Disponível em: https://www.tmstudies.net/index.php/ectms/article/view/314.. Acesso em: 28 apr. 2024.