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. 
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<br/><br/><label>ISBN: </label>0521420504 (hardback) 0521421888 (paperback) 
<br/><br/><label>LCCN: </label>91047663 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology--Research--Methodology.
<br/><br/><label>Dewey Class. No.: </label>301/.072