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Buku Teks SO
Crowder, L.V.
Genetika tumbuhan/ L V Crowder; penerjemah Lilik Kusdiarti; editor Soetarso
UGM Press, 1986
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Lewis, William Arthur, 1915-
Reflection on Nigeria's economic growth
Development, 1966
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Moser, Gary G.
Nigeria : experience with struktural adjustment
IMF , 1997
Buku Teks
Coleman, James S.
Nigeria: background to nationalism
University of California Press, 1958
Buku Teks SO