يعرض 1 - 2 نتائج من 2 نتيجة بحث عن 'Wiebe, Keith', وقت الاستعلام: 0.01s تنقيح النتائج
  1. 1

    Land quality, agricultural productivity, and food security biophysical processes and economic choices at local, regional, and global levels

    منشور في 2003
    كتاب

    Land quality, agricultural productivity, and food security biophysical processes and economic choices at local, regional, and global levels
  2. 2

    Who will be fed in the 21st century challenges for science and policy

    منشور في 2001
    كتاب

    Who will be fed in the 21st century challenges for science and policy

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