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- 81908085 contributor B4158465.
- 81908085 contributor B4158466.
- 81908085 created "1980.".
- 81908085 date "1980".
- 81908085 date "1980.".
- 81908085 dateCopyrighted "1980.".
- 81908085 description "Bibliography: p. 166-170.".
- 81908085 extent "xi, 170 p., [10] p. of plates :".
- 81908085 issued "1980".
- 81908085 issued "1980.".
- 81908085 language "eng".
- 81908085 publisher "New Delhi : Vision Books,".
- 81908085 subject "338.1/61 19".
- 81908085 subject "Agricultural innovations.".
- 81908085 subject "Agricultural productivity.".
- 81908085 subject "Agriculture Labor productivity.".
- 81908085 subject "Farm mechanization.".
- 81908085 subject "S494.5.I5 N34".
- 81908085 title "Technological changes in agriculture : impact on productivity and employment / Birla Institute of Scientific Research, Economic Research Division.".
- 81908085 type "text".