Yin, Robert K. <br/><br/>
Case study research  

 - Rev. ed. 
 - Newbury Park, [Calif.]   Sage Publications,  1989 
<br/><br/><label>ISBN: </label>080393470X :;0803934718 (pbk.) : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Case method.;Social sciences
<br/><br/><label>Dewey Class. No.: </label>300.722