Yin, Robert K. <br/><br/>
Case study research :  design and methods / 
Robert K. Kin. 
 - 2nd ed. 
 - Thousand Oaks :  Sage Pub.,  c1994. 
 - xvii, 171 p. : ill. ; 22 cm. 
<br/><br/> Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0803956630 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Case method.<br/>Social science--Research.