Tomanik, G. B.; Cavenaghi, A. J. <strong>Leisure and Tourism: Visits to the Observatório Abrahão De Moraes/IAG-USP (SP, Brazil) </strong><br><strong>DOI: 10.7784/rbtur.v6i3.553</Strong>. RBTUR 2012, 6, 375-397.