Creswell  <br/><br/>
Research design : qualitative, quantitative, and mixed methods approaches  
/ John W. Creswell. 
 - 2nd ed.. 
 - Thousand Oaks  Sage  2003. 
 - xxvi, 246p.  ill.  25cm 
<br/><br/><label>ISBN: </label>0761924418  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research--Methodology<br/>Social sciences--Statistical methods
<br/><br/><label>Dewey Class. No.: </label>300.72 CRE 2003