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Чикаго-гийн эшлэл (17 дахь хэвлэлт)Framework and Tools for Environmental Management in Africa. senegal: Council for the Development of Social Science Research in Africa, 2011.
MLA -ийн эшлэл (9 дэх хэвлэлт)Framework and Tools for Environmental Management in Africa. Council for the Development of Social Science Research in Africa, 2011.