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Чикаго-гийн эшлэл (17 дахь хэвлэлт)Organisation for Economic Co-operation and Development ба ProQuest (Firm). OECD Environmental Performance Reviews. Paris, France: OECD, 2010.
MLA -ийн эшлэл (9 дэх хэвлэлт)Organisation for Economic Co-operation and Development ба ProQuest (Firm). OECD Environmental Performance Reviews. OECD, 2010.
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