ANGRIST, Joshua D. <br/><br/>
Mostly harmless econometrics:  an empiricist's companion/ 

 - New Jersey:  Princeton University Press,  2009. 
 - 373 p.  il. 
<br/><br/>
<br/><br/><label>ISBN: </label>9780691120355 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Econometria