John W. Creswell & J David Creswell <br/><br/>
Reserch Design:  Qualitative,Quantitative & Mixed Methods Approaches/ 
by John W. Creswell & J David  Creswell 
 - Fifth edition 
 - London:  Sage,  2018. 
 - xxv,275p.: 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781506386768 
<br/><br/><label>Subjects--Chronological Terms: </label><br/>Social sciences-research-methodology --social sciences-statistical methods
<br/><br/><label>LC Class. No.: </label>H 62  / CRE