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United Nations University(UNU).
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United Nations Environment Programme(UNEP).
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Durman, Mustafa. yazar
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Environmental economics.
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Harris, Jonathan M.
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Alıntı:
Environmental and natural resource economics : a contemporary approach / Harris, Jonathan M.
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Köellner, Thomas., editor.
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/ David Blandford -- The need for global governance of ecosystem services : a human-environment systems
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Önder, Hüseyin.
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Alıntı:
Environmental economics.