Yin, Robert K. <br/><br/>
Case study research and applications :  Design and methods. 

 - 6th ed. 
 - London :  Sage,  2018. 
 - xxix, 319 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781506336169 
<br/><br/><label>Dewey Class. No.: </label>001.42 YIN