Proctor, Tony <br/><br/>
Essentials of marketing research / 
Tony Proctor 
 - 4th ed. 
 - Harlow, England :  Prentice Hall,  2005 
 - 591 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>0273694944 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marketing research<br/>Marketing