Yin, Robert K. <br/><br/>
Case Study Research: designs and methods 
Publisher 
 - 5th ed. 
 - Los Angeles :  SAGE Publishers,  2014. 
 - xxviii,282 p.: 
<br/><br/>includes bibliographies and index 
<br/><br/><label>ISBN: </label>9781452242569 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research methods
<br/><br/><label>LC Class. No.: </label>H62   / .Y56 2014