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

 - 4th ed 
 - London  Sage Publications, Inc.  2009 
 - xiv, 219p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social science
<br/><br/><label>Dewey Class. No.: </label>300.72 YIN (R)