Bu Book sizin dilinizde mevcut değil, Görüntülemek: English (en),
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This book may no longer be available in print.

This manual grew out of both the teaching given at the seminar on extension and the ideas shared by the participants from their own experiences as workers in the field.

89 pages, illustrated

Publication Details

  • Published: 1993
  • Publisher: Rurcon
  • Dewey Decimal: 630.717
  • ECHO Library: 630.717 WAL