Wentz, Walter B <br/><br/>
Marketing research  management and methods 

 - New York  Harper & Row  1972 
 - 590 p. 
<br/><br/><label>ISBN: </label>060470070 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MARKETING
<br/><br/><label>Dewey Class. No.: </label>658.8  / WEN