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MLA-referens (8:e uppl.)Organisation for Economic Co-operation and Development. Committee on Tourism. Tourism Policy and International Tourism in OECD Member Countries: Evolution of Tourism in OECD Member Countries in 1987 : Report Adopted in August 1988 by the OECD Tourism Committee : Derestricted by the OECD Council in October 1988. Organisation for Economic Co-operation and Development, 1988.