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  1. 1

    Easing barriers to movement of plant varieties for agricultural development

    Publicado em 1997
    Livro

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

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

    Publicado em 1992
    Livro

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

    Successful seed programs a planning and management guide

    Publicado em 1980
    Livro

    Successful seed programs a planning and management guide

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