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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.].
México, D.F. : Centro internacional de mejoramiento de maiz y trigo (Cimmyt), 1991.
x, 62 p. : ill., graf., tab. ; 28 cm.