Creswell, John W & Clark, Vicki L <br/><br/>
Designing and conducting mixed methods research 

 - 2nd ed 
 - Sage, London  2011 
 - xxv,457 
<br/><br/><label>ISBN: </label>978-1-4129-7517-9 
<br/><br/><label>Dewey Class. No.: </label>307.2 Cre/Cla