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- 90136603 contributor B6193048.
- 90136603 contributor B6193049.
- 90136603 created "1989.".
- 90136603 date "1989".
- 90136603 date "1989.".
- 90136603 dateCopyrighted "1989.".
- 90136603 description "Includes bibliographical references (p. 84-85)".
- 90136603 extent "vi, 85 p. :".
- 90136603 identifier "968612702X".
- 90136603 issued "1989".
- 90136603 issued "1989.".
- 90136603 language "eng".
- 90136603 publisher "Mexico, D.F. : CIMMYT ; Cali, Colombia : CIAT,".
- 90136603 subject "630/.72 20".
- 90136603 subject "Agriculture Research On-farm Planning.".
- 90136603 subject "S540.O53 T75 1989".
- 90136603 title "The planning stage of on-farm research : identifying factors for experimentation / Robert Tripp and Jonathan Woolley.".
- 90136603 type "text".