Creswell, John W., <br/><br/>
Designing and conducting mixed methods research / 
John W. Creswell, Vicki L. Plano Clark 
 - Second Edition 
 - xxvi, 457 pages :  illustrations ;  23 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781412975179 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research--Methodology<br/>Research--Evaluation