Yin Robert K. <br/><br/>
Application of case study research 
Robert K. Yin 
 - 2nd 
 - Sage publication India  International education and professional publisher  2003 
 - xvii, 171 p.:  ill.;  18 cm. 
<br/><br/> includes references and index 
<br/><br/><label>ISBN: </label>9780761925511 
<br/><br/><label>LC Class. No.: </label>H61.Y56