Yin, Robert K. <br/><br/>
Case study research :  design and methods / 
Robert K. Yin 
 - Rev. ed. 
 - Newbury Park :  SAGE Publications,  1989 
 - 166p. ;c 22 cm. 
 - Applied social research methods series ;  v.5 .
<br/><br/>References and index 
<br/><br/>
<br/><br/><label>ISBN: </label>080393470x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Case method<br/>Social science--Research