DUNNING Thad <br/><br/>
Natural experiments in the social sciences   A design- based approach    
DUNNING Thad 
 - New York  Cambridge University Press         2012 
 - xix,358p. Bibliography: P 338-52  cm. 
<br/><br/> Bibliography: 357-378p. 
<br/><br/><label>ISBN: </label>9781107698000  1654.76 
<br/><br/><label>Source: </label> 4970, 07/06/2013, RAJKIRAN BOOK AGENCY  General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>Yb4, Q2