TY  - BOOK
AU  - George,Darren & Mallery,Paul
TI  - SPSS for Windows step by step: A simple guide and reference13.0 update
U1  - 005.5'5  GEO-S6 
PY  - 2006///
CY  - Pearson Education Asia, Delhi
KW  - Computer Programme-SPSS
ER  -