Creswell, John W. <br/><br/>
Designing and conducting mixed methods research/   by John W Creswell and Vicki L. Plano Clack 

 - 2nd ed. 
 - Los Angeles  SAGE  2011 
 - xxvi, 457p.  ill, tab     
<br/><br/> includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781412975179 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>001.42