Showing 1 - 2 results of 2 for search 'Ewell, Peter T.', query time: 0.01s Refine Results
  1. 1

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

    Published 1988
    Book

    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 by Ewell, Peter T.

    Published 1988
    Book

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

Search Tools: