Ogbu, Osita M. <br/><br/>
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 
<br/><br/><label>ISBN: </label>0-88936-680-2 
<br/><br/><label>Source: </label> don 
<br/><br/><label>Universal Decimal Class. No.: </label>631.