Teddlie, Charles <br/><br/>
Foundations of mixed methods research  integrating quantitative and qualitative: approaches in the social snd behsviorsl sciences 
Charles Teddlie, Abbas Tashakkori 
 - Los Angeles  Sage Pub.  2009 
 - viii, 387p.  ill.  25cm. 
<br/><br/>includes bibliographical refrences and index 
<br/><br/><label>ISBN: </label>9780761930129 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research--methodology