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Hawkes, Suzanne.
Williams, Peter,1947-
Simon Fraser University.Centre for Tourism Policy and Research.
Canada.Industry, Science and Technology Canada.
Burnaby, B.C. : Centre for Tourism Policy and Research, Simon Fraser University, in co-operation with Industry, Science and Technology Canada and Globe, '92,
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"March 1993."
Coutts
Ecotourism.
Tourism.
Environmental protection