00351nam a2200121 a 450000500170000002000150001708200180003210000210005024500720007126000390014330000260018270000210020820251203110443.0  a0333717597  a338.4791bINT  aVellas, Francois  aInternational marketing of travel and tourismba Strategic approach  aLondonbMacmillan Press Ltd.c1999  axxi,329p.c24 cm.bPB  aBecherel, Lionel