Purcell, Dennis <br/><br/>
Agricultural extension and research :   achievements and problems in national systems/  
Dennis L Purcell, Jock R  Anderson, 
 - Washington:   World Bank,   1997. 
 - 1 online resource (xxi, 282 pages) :   illustrations ;  26 cm. 
<br/><br/><label>ISBN: </label>0821338751 
<br/><br/><label>Subjects--Topical Terms: </label><br/>National agricultural research systems--Evaluation<br/>Agricultural extension work--Evaluation
<br/><br/><label>Dewey Class. No.: </label>630.715/ P985a