TY  - BOOK
AU  - GEORGE, Darren
AU  - MALLERY, Paul
TI  - SPSS for windows step by step: A simple guide and reference 17.0 update
SN  - 8131762257
U1  - 005.369SPS 
PY  - 2011///
CY  - DELHI
PB  - PEARSON EDUCATION
KW  - SPSS
ER  -