Yin, Robert K., <br/><br/>
Case study research :  design and methods / 
Robert K. Yin. 
 - Fifth edition. 
 - xxviii, 282 pages :  illustrations ;  24 cm. 
<br/><br/>Includes bibliographical references (pages 243-257) and index. 
<br/><br/>
<br/><br/><label>ISBN: </label>9781452242569 (paperback.)  RM190.58 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Case method.<br/>Social sciences--Research--Methodology.