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Organisation for Economic Co-operation and Development. Tourism Committee. (1971). International tourism and tourism policy in OECD member countries: Evolution of tourism in OECD member countries in 1970 and the early months of 1971 : report adopted in July 1971 by the OECD Tourism Committee. OECD.

Organisation for Economic Co-operation and Development. Tourism Committee. International Tourism and Tourism Policy in OECD Member Countries: Evolution of Tourism in OECD Member Countries in 1970 and the Early Months of 1971 : Report Adopted in July 1971 by the OECD Tourism Committee. Paris: OECD, 1971.

Organisation for Economic Co-operation and Development. Tourism Committee. International Tourism and Tourism Policy in OECD Member Countries: Evolution of Tourism in OECD Member Countries in 1970 and the Early Months of 1971 : Report Adopted in July 1971 by the OECD Tourism Committee. OECD, 1971.

Organisation for Economic Co-operation and Development. Tourism Committee. 1971. International tourism and tourism policy in OECD member countries: Evolution of tourism in OECD member countries in 1970 and the early months of 1971 : report adopted in July 1971 by the OECD Tourism Committee. Paris: OECD.