Showing 1 - 4 results of 4 for search 'Schmehl, W R', query time: 0.01s Refine Results
  1. 1
    Farming systems research and development: guidelines for developing countries
    by Schmehl, W R
    Published 1982
    Printed Book
  2. 2
    Farming system research and development /
    by Shaner, W W .
    Published 1982
    Other Authors: “...Schmehl, W R ....”
    Printed Book
  3. 3
    Farming systems research and development
    by Philipp, P F
    Published 1982
    Other Authors: “...Schmehl, W R...”
    Printed Book
  4. 4
    Readings in farming systems researth and development
    by philipp, P.F
    Published 1982
    Other Authors: “...Schmehl, W.R...”
    Printed Book
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