Longhi, Simonetta <br/><br/>
A practical guide to using panel data 

 - Los Angeles :   SAGE,  2015 
 - xxvii, 310 pages : illustrations ; 25 cm 
<br/><br/><label>ISBN: </label>9781446210871 
<br/><br/><label>Dewey Class. No.: </label>001.42  / LON-15