Purcell,Dennis L. <br/><br/>
Agricultural Extension and Research Achievements and Problems in National Systems 

 - America  1997 
<br/><br/><label>ISBN: </label>0-8213-3878-1 
<br/><br/><label>LC Class. No.: </label>630.715/PUR  / 1 
<br/><br/><label>Dewey Class. No.: </label>630.715/PUR  / 1