Tull, Donald S. <br/><br/>
Marketing research : measurement and methods 

 - 4th ed. 
 - New York :  London   Macmillan  1987 
 - xvi, 845 p. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>002421910X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marketing research - Case studies
<br/><br/><label>Dewey Class. No.: </label>658.83 TUL