Tull, Donald S. and Hawkins, Del I. <br/><br/>
Marketing Research 

 - New delhi  Prentice-Hall of India  1993 
 - 1-863p. 
<br/><br/><label>ISBN: </label>81-203-0961-8 
<br/><br/><label>Dewey Class. No.: </label>658.83     Tul.N3