Zikmund, William G., <br/><br/>
Essentials of marketing research 

 - 3rd ed. 
 - New Delhi  Cengage Learning  2007. 
 - 414p.:  ill.;  23 cm. 
<br/><br/>  Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9788131502815 
<br/><br/><label>Dewey Class. No.: </label>658.83 ZIK