George, Darren <br/><br/>
SPSS for windows step by step  a simple guide and reference 18.0 update 
by Darren George and Paul Mallery 
 - 11 ed.   
 - New Delhi  Dorling Kindersley (India) pvt ltd  2014 
 - 385p.  
<br/><br/> Includes bibliographical references and index  
<br/><br/><label>Dewey Class. No.: </label>005.55 GEO