Beri, G.C. <br/><br/>
Marketing research 
by G.C. Beri 
 - 4th ed. 
 - New Delhi:  Tata McGraw Hill Education Private Limited  c.2008 
 - xviii, 579p. 
<br/><br/><label>ISBN: </label>9780070620223 
<br/><br/><label>Dewey Class. No.: </label>X:51:f  / P8