Aaker, George S. Day,V. Kumar David A. <br/><br/>
Marketing research, 9th ed / 
George S. Day,V. Kumar David A. Aaker. 
 - 9th ed. 
 - New York:  WSE,  2007. 
 - 816 p. (Rk#05 Sh#01) 
<br/><br/><label>ISBN: </label>8126517913 (paperback) 9788126517916 (paperback) 
<br/><br/><label>Source: </label> Progressive  PKR 822.08 
<br/><br/><label>Dewey Class. No.: </label>300.72688