Creswell, John W. <br/><br/>
Research design   : international student edition qualitative, quantitative, and mixed methods approaches 
John W. Creswell 
 - 4th ed. 
 - Los Angeles:  Sage,   2014. 
 - xxix, 273p. 
<br/><br/><label>ISBN: </label>9781452226101 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences-Research-Methodology<br/>Social sciences-Statistical methods
<br/><br/><label>Dewey Class. No.: </label>300.721  / CRR