George, Darren <br/><br/>
SPSS for window step by step: A simple guide and reference. 17.0 update 

 - Delhi  Pearson  2013 
 - 386 p. 
<br/><br/><label>ISBN: </label>9788131762257 
<br/><br/><label>Dewey Class. No.: </label>519.502  GEO-S