Jahnke, Hans E. <br/><br/>
The impact of agricultural research in tropical Africa :   a study of the collaboration between the international and national research systems 

 - Washington:  World Bank,  1987 
 - xvi,175p.  ill.  27cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural research <br/>International and national research systems.<br/> Agricultural innovation
<br/><br/><label>LC Class. No.: </label>EAF QTO S542.A426J34 1987