Grizio, E.V. 2011. <b>The tourism in the geographic optics</b&gt; - doi: 10.4025/actascihumansoc.v33i1.9089. Acta Scientiarum. Human and Social Sciences. 33, 1 (Feb. 2011), 97-105. DOI:https://doi.org/10.4025/actascihumansoc.v33i1.9089.