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  1. 1

    Economic analysis of agricultural production and labour utilisation among the Hausa in the North of Nigeria od Norman, D. W. (David W.)

    Wydane 1973
    Książka

    Economic analysis of agricultural production and labour utilisation among the Hausa in the North of Nigeria
  2. 2

    The effects of taxes and subsidies on land and labour utilization in Nigerian agriculture. od Idachaba, Francis Sulemanu

    Wydane 1973
    Książka

    The effects of taxes and subsidies on land and labour utilization in Nigerian agriculture.

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