Van den Ban, A. W. <br/><br/>
Agricultural extension 

 - Longman  John Wiley and Sons, Inc  1988 
 - xi,328p.  22cm. 
<br/><br/><label>ISBN: </label>0470211601 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture extension work
<br/><br/><label>LC Class. No.: </label>S544.B2513