1.

図書
図書
1. World directory of environmental organizations : a handbook of national and international organizations and programs--governmental and non-governmental--concerned with protecting the Earth's resources. 4th ed
edited by Thaddeus C. Trzyna and Roberta Childers
出版情報: Sacramento, Calif., USA : California Institute of Public Affairs in cooperation with the Sierra Club and IUCN-The World Conservation Union, c1992
シリーズ名: Who's doing what series ; 2
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2.

図書
図書
2. Nature's last strongholds
general editor, Robert Burton ; in association with the International Union for Conservation of Nature and Natural Resources
出版情報: New York : Oxford University Press, 1991
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