Ban,A.W.Van Den <br/><br/>
Agricultural Extension 

 - London  Blackwell   1996 
<br/><br/><label>ISBN: </label>0-632-04053-X 
<br/><br/><label>LC Class. No.: </label>630.715/BAN  / 12 
<br/><br/><label>Dewey Class. No.: </label>630.715/BAN  / 12