Study on visa facilitation in the silk-road countries / World Tourism Organization
Sustainable development of ecotourism : a compilation of good practices / World Tourism Organization
O mercado turístico para Portugal / ICEP
World leisure participation : free time in the global village / Grant Cushman, [et al.]
Tourisme religieux
Los precios de los viajes combinados : paquetes turisticos, verano 1992 / Secretaría General de Turismo
Tel Aviv, Ankara, Istanbul
Ao serviço da exportação - Israel / Fundo de Fomento de Exportação
Prontuario economico del turista: spesa giornaliera del viaggiatore in 42 paesi - travaller's / Centro per la Statistica Aziendale
Catalogue des films de propagande touristique / Président du Comité des Films de Propagande Touristique Gabriel Ollivier