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1Tourism, ecotourism, and protected areas: the state of nature-based tourism around the world and guidelines for its development Tourism, ecotourism, and protected areas: the state of nature-based tourism around the world and guidelines for its developmentby 55813 Ceballos Lascuráin, H., 13051 IUCN, Gland (Suiza). Protected Areas Programme, 4. World Congress on National Parks and Protected Areas Caracas (Venezuela) 10-21 Feb 1992
Published 1996bibliotecaIICA