International tourism and tourism policy in OECD member countries : evolution of tourism on OECD countries in 1971 and the early months of 1972 - Paris [Francia] : Organisation for Economic Co-operation and Development, 1972 - 163 p. ; 2 hojas pleg. Subjects--Topical Terms: TURISMO Dewey Class. No.: OCDE 338.47 T7276t 1971