Sekaran, Uma <br/><br/>
Research methods for business /  a skill-building approach 
Uma Sekaran and Roger Bougie 
 - Sixth Edition 
 - West Sussex, UK:  John Wiley & Sons Ltd,  2013 
 - xxi, 423 pg.  ill.  24 cm 
<br/><br/><label>ISBN: </label>9781119942252