Lewis-Beck Michael S Ed. <br/><br/>
Sage encyclopedia of social science reseaech methods.3V 

 - London  Sage Publication        2004 
<br/><br/><label>Standard No.: </label>25434 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Sigma :f    RR, P4.1-.3