この Book あなたの言語には存在しません, で見る: English (en),
またはGoogle翻訳を使用する:  

Solution packs include practical suggestions on how to preserve the biodiversity of crop plants, and how to maintain and improve local crop plants.  There are activities for primary and secondary students, and youth and adults.

Publication Details

  • Publisher: TVE USA/ Outreach
  • Dewey Decimal: 635.043
  • ECHO Library: 635.043 DOR