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

 - Sixth edition. 
 - Los Angeles :  SAGE  [2018] 
 - xxx, 319 pages ; 23 cm (pbk) 
<br/><br/><label>ISBN: </label>9781506336169 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology
<br/><br/><label>Universal Decimal Class. No.: </label>300.722