Morgan, Stephen, L <br/><br/>
Counterfactuals and causal inference; methods and principles for social research 

 - 2nd ed. 
 - Washington.   : Cambridge University Press.  2015. 
 - xix,499p.    : ill.    ; 26cm. 
<br/><br/>includes bibliographical references and index<br/> 
<br/><br/><label>ISBN: </label>978-1-107-06507-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences research<br/>Social sciences- Methodology<br/> Causatron
<br/><br/><label>LC Class. No.: </label>H62.M646