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

 - New York  John Wiley and Sons,Inc  1988 
<br/><br/><label>ISBN: </label>0-582-02883-3 
<br/><br/><label>LC Class. No.: </label>630.715/BAN  / 3 
<br/><br/><label>Dewey Class. No.: </label>630.715/BAN  / 3