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Sightseeing vs Biophilia at the Grand Canyon
Authors:J Donald Hughes
Abstract:Harold Brookfield and Piers Blaikie: Land Degradation and Society. London: Methuen, 1987.

Calestous Juma: The Gene Hunters: Biotechnology and the Scramble for Seeds. London: Zed Books, and New Jersey: Princeton University Press, 1989.

Kenichi Miyamoto: Kankyo no Keizaigaku (Economics of Environment), Tokyo: Iwanamishoten, 1989.
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