Tull, Donald S.  Hawkins, Del I. <br/><br/>
Marketing research  Measurement and method 

 - 3rd ed. 
 - New York; Macmillan London  Collier Macmillan  1984 
 - xvi, 794p 
<br/><br/>Includes 
<br/><br/><label>ISBN: </label>0024217808 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marketing research Marketing research 
<br/><br/><label>Dewey Class. No.: </label>658.83/T918m