Kumar, V <br/><br/>
Essential of marketing research 
V. Kumar, David A. Aaker; George S. Day. 
 - 2nd ed. 
 - New York  John Wiley  2002 
 - xix, 553p.: ill.; 25cm. 
<br/><br/><label>ISBN: </label>0-471-41235-x. 
<br/><br/><label>Dewey Class. No.: </label>658.83  / K98E