Yin, Robert k. <br/><br/>
Case Study Reseaerch Design and Methods 
Robert K. Yin 
 - 2nd ed. 
 - London : New Delhi  Sage publications  1994 
 - xvii, 171p. :  ill., ;  23 cm 
<br/><br/><label>ISBN: </label>0803956622 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Case Study Research : design and methods
<br/><br/><label>Dewey Class. No.: </label>300.722 YIN