George, Darren; Mallery, Paul. <br/><br/>
SPSS for windows: step by step. 

 - 11 
 - New Delhi  Pearson Education  2014 
 - 385 
<br/><br/><label>ISBN: </label>9789332518124 
<br/><br/><label>Dewey Class. No.: </label>519.5 GEOD