Boyed H W <br/><br/>
Marketing research : text and cases 
Boyed H W And Others 
 - 7 
 - New Delhi  New Delhi, Richard D Irwin  1994 
 - 816p 
<br/><br/><label>ISBN: </label>81-85386-16-1 
<br/><br/><label>Source: </label>Textbook