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The growth of co-operatives in Zambia
Lombard, C. Stephen, (1971)
Land, labour, and diet in Northern Rhodesia : an economic study of the Bemba tribe
Richards, Audrey I., (1961)
Modern industry and the African : an enquiry into the effect of the copper mines of Central Africa upon native society and the work of Christian missions
Davis, John Merle, (1967)