Yin, Robert K. <br/><br/>
Case study research : 

 - 5th ed. 
 - London  SAGE  2014 
 - xxviii, 282p.  ill. 
<br/><br/><label>ISBN: </label>9781452242569 (pbk. : alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Case method.<br/>Social sciences
<br/><br/><label>LC Class. No.: </label>MED. H62  / .Y56