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

 - 2 nd ed. 
 - New Delhi  Sage  1994 
 - xvii,171p.   
<br/><br/>  RUDAT 
<br/><br/><label>ISBN: </label>0-8039-5663-0 
<br/><br/><label>ISSN: </label>
<br/><br/><label>Subjects--Index Terms: </label>Case method  Social science research- methodolgy 
<br/><br/><label>Dewey Class. No.: </label>001.432