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  1. 1

    Easing barriers to movement of plant varieties for agricultural development

    Argitaratua 1997
    Liburua

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

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

    Argitaratua 1992
    Liburua

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

    Successful seed programs a planning and management guide

    Argitaratua 1980
    Liburua

    Successful seed programs a planning and management guide

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