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  1. 1

    Eco-agriculture food first farming : theory and practice by Kiley-Worthington, Marthe

    Published 1993
    Book

    Eco-agriculture food first farming : theory and practice
  2. 2

    Crop-livestock interaction in Sub-Saharan Africa by McIntire, John 1950-

    Published 1992
    Book

    Crop-livestock interaction in Sub-Saharan Africa

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