Cooper,Donald R <br/><br/>
Business research methods/ by D.R.Cooper and P.S.Schindler 
R Cooper 
 - 11th 
 - Singapore; McGraw-Hill  2011 
<br/><br/><label>ISBN: </label>9780071289221 
<br/><br/><label>LC Class. No.: </label>HD 30.4 .C66 2011