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  1. 1

    Organization and management of field activities in on-farm research a review of experience in nine countries Yazar: Ewell, Peter T.

    Baskı/Yayın Bilgisi 1988
    Kitap

    Organization and management of field activities in on-farm research a review of experience in nine countries
  2. 2

    Organization and management of field activities in on-farm research a review of experience in nine countries Yazar: Ewell, Peter T.

    Baskı/Yayın Bilgisi 1988
    Kitap

    Organization and management of field activities in on-farm research a review of experience in nine countries

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