Creswell, John W. <br/><br/>
Research Design:  qualitative, quantitative and mixed methods approaches. 
John W Creswell 
 - 2nd ed. 
 - London :   Sage publications,  2003 
<br/><br/><label>ISBN: </label>0761924426 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences -- Research -- Methodology--Social sciences -- Research -- Methodology--Social sciences -- Research -- Methodology<br/>Social sciences -- Statistical methods--Social sciences -- Statistical methods
<br/><br/><label>LC Class. No.: </label>H62 CRE 2002