Ouma, S. J. (1980). A history of the cooperative movement in Kenya. Bookwise Ltd..
Chicago-čujuhus (17. p.)Ouma, Sylvester J. A History of the Cooperative Movement in Kenya. Nairobi, Kenya: Bookwise Ltd., 1980.
MLA-čujuhus (9. p.)Ouma, Sylvester J. A History of the Cooperative Movement in Kenya. Bookwise Ltd., 1980.
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