George, Darren <br/><br/>
SPSS for Windows Step by Step 

 - New Delhi:	  Dorling Kindersley,  2014. 
 - 385  (R 11 SH 4) 
<br/><br/><label>ISBN: </label>9789332518124 
<br/><br/><label>Source: </label> Punjab Book   PKR 1433.03 
<br/><br/><label>Dewey Class. No.: </label>005.446