Tull, Donald S. <br/><br/>
Marketing research  measurement and method   a tax with cases 
Donald S. Tull, Del I. Hawkins 
 - 3rd ed.  
 - xvi, : 794p.  
<br/><br/> Includes index  
<br/><br/><label>Dewey Class. No.: </label>658.83 TUL