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    The greening of Africa : breaking through in the battle for land and food / by Harrison, Paul, 1945-

    Published 1996
    Book
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    Exploring agrodiversity by Brookfield, H. C.

    Published 2001
    An electronic book accessible through the World Wide Web; click to view
    Electronic eBook
  18. 38

    Energy in agroecosystems : a tool for assessing sustainability /

    Published 2017
    Click here to view.
    Electronic eBook
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