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- 90227771 contributor B6288018.
- 90227771 created "[1989]".
- 90227771 date "1989".
- 90227771 date "[1989]".
- 90227771 dateCopyrighted "[1989]".
- 90227771 description "Includes bibliographical references (p. 40-43).".
- 90227771 extent "iv, 43 p. ;".
- 90227771 issued "1989".
- 90227771 issued "[1989]".
- 90227771 language "eng".
- 90227771 publisher "Addis Ababa : The Division,".
- 90227771 spatial "Africa.".
- 90227771 subject "Agricultural innovations Africa.".
- 90227771 subject "Agricultural productivity Africa.".
- 90227771 subject "S494.5.I5 R65 1989".
- 90227771 title "Role of technology in small farmers' productivity in Africa / Economic Commission for Africa, Joint ECA/FAO Agriculture Division.".
- 90227771 type "text".