Cooper, Donald R. <br/><br/>
Business Research methods 

 - 9th ed. 
 -  Tata Mc Graw hill  2006 
 - xxiii, 756p.  Paper back  25 cm 
<br/><br/><label>ISBN: </label>9780070620-193 
<br/><br/><label>Dewey Class. No.: </label>658.0072