TY  - BOOK
AU  - George,Darren
AU  - Mallery,Paul
TI  - SPSS for Windows step by step: A Simple guide and reference 
SN  - 9788131762257
U1  - 005.55 23
PY  - 2011///
CY  - India
PB  - Pearson
KW  - Database management
N1  - Includes  index
ER  -