Ray G.L. <br/><br/>
Extension Communication and Management 

 - New Delhi  Kalyani Publishers  2018 
 - 382p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>978-93-272-7654-1 
<br/><br/><label>Dewey Class. No.: </label>630.715  / RAY