Siegel, Sidney <br/><br/>
Nonparametric statistics for the behavioral sciences 

 - 2nd Edition 
 - New York  McGraw Hill  1988 
 - 399p. 
<br/><br/><label>ISBN: </label> USD 7.50 
<br/><br/><label>Source: </label> USD 7.50 
<br/><br/><label>Dewey Class. No.: </label>519.5 SIE