Travel & tourism economic impact: Portugal / World Travel & Tourism Council
Portugal: travel & tourism sowing the seeds of growth / World Travel & Tourism Council
European Union : travel & tourism forging ahead / World Travel & Tourism Council
Portugal: travel & tourism: a world of opportunity: the 2003 travel & tourism economic research / WTTC
Algarve : o impacto das viagens e turismo no emprego e na economia / World Travel & Tourism Council
South Africa : the impact of travel and tourism on jobs and the economy / World Travel & Tourism Council