Donald R. Cooper <br/><br/>
Business Research Methods. Ed. 9th 

 - 9th Ed 
 - New Delhi  Tata McGraw Hill Publishing Co. Limited  2006 
 - 757p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-07-062019-9 
<br/><br/><label>Dewey Class. No.: </label>658  / COO