1.
図書 |
Joel Jay Kassiola
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2.
図書 |
Paul Ekins
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3.
図書 |
edited by David Collard, David Pearce, David Ulph
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4.
図書 |
Michael Common
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5.
図書 |
Asayehgn Desta
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6.
図書 |
edited by J. Ronald Engel and Joan Gibb Engel ; illustrations by John D. Petersen
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7.
図書 |
Malte Faber, John L.R. Proops ; with the cooperation of Reiner Manstetten
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8.
図書 |
Robert Costanza
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9.
図書 |
World Commission on Environment and Development
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10.
図書 |
editors, Vinyu Vichit-Vadakan, D.V. Ramana, R. Bharadwaj
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