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

 - 8th 
 - New Delhi   Kalyani publishers   2011 
 - 358 
<br/><br/><label>ISBN: </label>978-81-272-6840-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication and management --Communication and management