TY  - BOOK
AU  - George, Darren
TI  - SPSS for windows step-by-step: A simple guide and reference 15.0 update
SN  - 9788131724293
U1  - 005.55 
PY  - 2008///
CY  - New Delhi
PB  - Pearson Education
KW  - Information Technology
ER  -