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Chimanga cha makolo, hybrids and composites : an analysis of farmers' adoption of maize technology in Malawi, 1988-91 / Melinda Smale ; with Z.H.W. Kaunda...[et al.].
- Centro internacional de mejoramiento de maiz y trigo (Cimmyt),
- 1991.
- México, D.F. :
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Wheat and barley production in rainfed marginal environments of West Asia and North Africa : problems and prospects / Abderrezak Belaid and Michael L. Morris.
- Centro internacional de mejoramiento de maiz y trigo (Cimmyt),
- 1991.
- México, D.F. :
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Extension of on-farm research findings : issues from experience in Southern Africa / Allan Low, Chris Seubert and Jim Waterworth.
- Centro internacional de mejoramiento de maiz y trigo (Cimmyt),
- 1991.
- México, D.F. :
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Land prices, land rents and technological change : evidence from Pakistan / Mitch Renkow.
- Centro internacional de mejoramiento de maiz y trigo (Cimmyt),
- 1991.
- México, D.F. :