Creswell, John W. <br/><br/>
Research design  qualitative, quantitative, and mixed method approaches 
John W. Creswell. 
 - 4th ed. 
 - California  SAGE  2014. 
 - xxix, 273 p.  26 cm. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>9781452226101 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social services--Research--Methodology.<br/>Social sciences--Statistical methods.
<br/><br/><label>LC Class. No.: </label>H62  / .C6963 2014 
<br/><br/><label>Dewey Class. No.: </label>300.72  / C923r3