Boyd, Harper W. Westfall, Ralph. Stasch, Stanley F. <br/><br/>
Marketing research : Text and cases 

 - 6th ed. 
 - Homewood  Richard D Irwin, 
 - xv, 836 
 - NULL .
<br/><br/><label>ISBN: </label>256031835 
<br/><br/><label>Dewey Class. No.: </label>658.8  BOY;1  R