00299nam a22001097a 4500003000400000008004100004082001900045100003300064245005400097260003000151300000800181OSt240705b        |||||||| |||| 00| 0 eng d  a631.0966bI-5S  aInt Inst of Trop. Ag Nigeria  aSustainable Food Production in Sub Saharan Africa  aInt Inst of Trop Agc1993  a108