Это Book не существует на вашем языке, Просмотреть в: English (en),
Или используйте Google Translate:  

The objective of this handbook is to provide techniques for conducting evaluations of new technology with the missing specialist in agricultural research:  the farmer.  The handbook is designed to help on-farm researchers enlist farmers as active participants in evaluating new technology.  

Publication Details

  • Publisher: CIAT (Centro Internacional de Agricultura Tropical)
  • ISBN-10: 9589183298
  • Dewey Decimal: 306.46
  • ECHO Library: 306.46 ASH