Beri,G.C <br/><br/>
Marketing Research 

 - 4th Ed. 
 - New Delhi  Tata McGraw-Hill Publishing Company Limited  2011 
<br/><br/><label>ISBN: </label>978-0-07-062022-3 
<br/><br/><label>Dewey Class. No.: </label>658.83 BER/MAR