Versions - Investments in African agricultural research

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    Investments in African agricultural research by Pardey, Philip G., Roseboom, Johannes, Beintema, Nienke M.

    Published 1997
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    Journal Article
  2. Cover Image

    Investments in African agricultural research by Pardey, Philip G., Roseboom, Johannes, Beintema, Nienke M.

    Published 1995
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    Artículo preliminar

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