Creswell, John W. <br/><br/>
Research design :  qualitative, quantitative, and mixed methods approaches / 
John W. Creswell. 
 - Fourth edition. 
 - xxix, 273 pages :  illustration ;  26 cm. 
<br/><br/>
<br/><br/><label>ISBN: </label>9781452226095 9781452226101 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Statistical methods<br/>Social sciences--Research--Methodology
<br/><br/><label>LC Class. No.: </label>H62  / .C74 2014