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

 - 2nd. 
 - New Delhli  Kalyani Publishers, New Delhi  2015 
 - 358 
<br/><br/> Agriculture 
<br/><br/><label>ISBN: </label>9788127268404 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture