Tull, Donald S. <br/><br/>
Marketing research 

 - New York  Macmillan Publishing  1976 
 -  736p 
<br/><br/><br/>eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marketing research
<br/><br/><label>Dewey Class. No.: </label>658.835  / TUM