Yin, Robert K. <br/><br/>
Case study research :  design and methods / 
Robert K. Yin 
 - 5th ed. 
 - Los Angeles, CA :  SAGE,  c2014 
 - xxviii, 282 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781452242569 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Case method<br/>Social sciences--Research--Methodology