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  1. 1

    Easing barriers to movement of plant varieties for agricultural development

    יצא לאור 1997
    ספר

    Easing barriers to movement of plant varieties for agricultural development
  2. 2

    Seed system development the appropriate roles of the private and public sectors מאת Jaffee, Steven

    יצא לאור 1992
    ספר

    Seed system development the appropriate roles of the private and public sectors
  3. 3

    Successful seed programs a planning and management guide

    יצא לאור 1980
    ספר

    Successful seed programs a planning and management guide

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