What is a case? :  exploring the foundations of social inquiry / 
edited by Charles C. Ragin and Howard S. Becker. 
 - Cambridge [England] ;  New York, NY, USA :  Cambridge University Press,  1992. 
 - viii, 242 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780521421881 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology--Research--Methodology.
<br/><br/><label>Dewey Class. No.: </label>301.072 RAG