George, Darren; Mallery, Paul <br/><br/>
SPSS for windows step by step: A simple guide and reference 18.0 update 

 - 11 
 -   Pearson Education Pvt. Ltd. Noida  2015 
 - 385 
<br/><br/><label>ISBN: </label>881 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Statistical methods-Computer program
<br/><br/><label>Dewey Class. No.: </label>005.5  GEO-S11