TY  - GEN
AU  - George, Darren.
AU  - Mallery, Paul
TI  - SPSS for Windows step by step : a simple guide and reference: 12.0 update
AV  - HA32 Geo.
PY  - 2005///
PB  - Allyn and Bacon
KW  - SPSS for Windows
KW  - Social sciences - Statistical methods - Computer programs
N1  - 12994
ER  -