Proctor, Tony <br/><br/>
Essentials of marketing research / 
Tony Proctor 
 - 3rd ed. 
 - Harlow, England :  Pearson Education Limited,  2003 
 - xiv, 560 p. :  ill. ;  25 cm. 
<br/><br/>Bibliography : p. [531]-547 
<br/><br/><label>ISBN: </label>0273674005  RM192.92 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marketing research