George,Darren & Mallery,Paul <br/><br/>
SPSS for Windows step by step: A simple guide and reference13.0 update 

 - 6 
 - Pearson Education Asia, Delhi  2006 
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<br/><br/><label>ISBN: </label> 375 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Programme-SPSS
<br/><br/><label>Dewey Class. No.: </label>005.5'5  GEO-S6