Wooldridge, Jeffrey M. <br/><br/>
Econometric analysis of cross section and panel data 
Jeffrey M. Wooldridge 
 - Cambridge  The MIT Press  2002 
 - 752 p.  24 cm 
<br/><br/><label>ISBN: </label>0262232197 
<br/><br/><label>Subjects--Index Terms: </label>Metodos estadisticos Econometria