TY  - BOOK
AU  - George, Darren  .
TI  - SPSS for windows step by step: a simple guide and reference / 
SN  - 81-317-0394-0
U1  - BV 
PY  - 2006///
CY  - Delhi : 
PB  - Dorling Kindersley (India) Pvt. Ltd. , 
KW  - SPSS Windows
ER  -