Creswell, John W. <br/><br/>
Research design :   qualitative, quantitative, and mixed methods approaches / 
John W. Creswell. 
 - 5th ed.  
 - Thousand Oaks, California :  SAGE Publication  c2018. 
 - xxv, 275 p. ;  ill. ;  26 cm. 
<br/><br/><label>ISBN: </label>9781506386768 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research--Methodology<br/>Social sciences--Statistical methods<br/>Social service--Research--Methodology
<br/><br/><label>Dewey Class. No.: </label>300.72  / CRE