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  -