Improving Agricultural Extension 

 - India  Daya Publishing House  1997 
<br/><br/><label>ISBN: </label>81-7035-408-0 
<br/><br/><label>LC Class. No.: </label>630.715/IMP  / 2 
<br/><br/><label>Dewey Class. No.: </label>630.715/IMP  / 2