Creswell, John W <br/><br/>
Research design  qualitative,quantitative and mixed methods approaches 

 - 4th 
 - Los Angeles  SAGE  2014 
 - xxix, 274p. 
<br/><br/><label>ISBN: </label>9781452226101 
<br/><br/><label>Subjects--Topical Terms: </label><br/>RESEARCH<br/>SOCIAL SCIENCES<br/>STATISTICAL METHODS
<br/><br/><label>Dewey Class. No.: </label>001.42  / C62