Ogbu, Osita M.
Setting agricultural research priorities in sub-Saharan Africa : criteria,issues and options / Osita M.OgbuO . - Ottawa : International Development Research Centre, 1993 . - v-33 f. ; 30 cm
0-88936-680-2
don
631.
Setting agricultural research priorities in sub-Saharan Africa : criteria,issues and options / Osita M.OgbuO . - Ottawa : International Development Research Centre, 1993 . - v-33 f. ; 30 cm
0-88936-680-2
don
631.