Creswell, John W.  <br/><br/>
Research design :  qualitative, quantitative, and mixed methods approaches  
John W. Creswell, Department of Family Medicine, University of Michigan, J. David Creswell, Department of Psychology, Carnegie Mellon University.   
 - 5th ed.  
 - Thousand Oaks, California :  SAGE Publications, Inc.,  [2018]    ©2018 
 - xxv, 275 p. :    ill. ;    26 cm.  
<br/><br/>Includes bibliographical references (p. 253-261) and indexes  
<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