Cooper, Donald R, Pamela S. Schindler,  <br/><br/>
Business Research Methods 

 - 8th 
 - US  McGraw/Irwin  2002 
 - 856 pages. 
<br/><br/><label>ISSN: </label>B00DU7ABYK 
<br/><br/><label>Dewey Class. No.: </label>658.007