European and Global Geoparks Network (EGN and GGM): protection of geological heritage, opportunity of local development and collaboration among territories Authors Rosaria Modica Madonie European and Global Geopark DOI: https://doi.org/10.11606/issn.2316-9087.v5i0p17-26 Downloads PDF (Portuguese) Published 2009-10-01 Issue Vol. 5 (2009) Section nao definida