Ragin, Charles C. <br/><br/>
The comparative method :  Moving beyond qualitative and quantitative strategies / 
Charles C. Ragin. 
 - Berkeley :  University of California Press,  c1987. 
 - xvii, 185 p. ;  24 cm. 
<br/><br/>Includes index and bibliography: p. 173-179. 
<br/><br/><label>ISBN: </label>9780520066182 
<br/><br/><label>LCCN: </label>86030800  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Comparative method.<br/>Algebra, Boolean.
<br/><br/><label>Dewey Class. No.: </label>300.72  / RAG