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机构:
Ctr Tourism Res Dev & Innovat, CiTUR, P-9000082 Madeira, Portugal
Univ Madeira, Higher Sch Technol & Management, P-9000072 Funchal, Portugal
WSB Univ, Fac Appl Sci, PL-41300 Dabrowa Gornicza, Poland
Univ Johannesburg, Coll Business & Econ, POB 524, ZA-2006 Johannesburg, South Africa Univ Porto, Fac Econ, P-4200464 Porto, Portugal