Qualitative market research :  principles & practice (sets in 7 vols.) 

 - London:  Sage,  2002 
 -  23.5cm. 
<br/><br/><label>ISBN: </label>9780761972723 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MARKET RESEARCH
<br/><br/><label>Dewey Class. No.: </label>658.83  / QUA