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1Argitaratua 2009Gaiak “...Environmental management Australia....”
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2Argitaratua 1992Gaiak “...Human ecology Australia Philosophy....”
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3nork Thomas, I. G. (Ian G.)Gaiak “...Environmental management Australia....”
Argitaratua 2011
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4Argitaratua 1985Gaiak “...Environmental policy Australia....”
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5Argitaratua 1999Gaiak “...Environmental protection Australia....”
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