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Чикаго-гийн эшлэл (17 дахь хэвлэлт)ebrary, Inc, AfriMAP, Open Society Initiative for West Africa, Open Society Media Program, Hendrik Bussiek, ба Akin Akingbulu. Nigeria: A Survey. Rosenbank, South Africa: Open Society Initiative for Southern Africa, 2010.
MLA -ийн эшлэл (9 дэх хэвлэлт)ebrary, Inc, et al. Nigeria: A Survey. Open Society Initiative for Southern Africa, 2010.
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