Creswell, John W. <br/><br/>
Research design  : qualitative, quantitative & mixed methods approaches 
John W. Creswell and J. David Creswell 
 - 5th ed. 
 - Loss Angeles:  Sage,  2018. 
 - xxv,275p. 
<br/><br/><label>ISBN: </label>9781506386768 
<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