TY  - GEN
AU  - George, Darren
AU  - Mallery, Paul
TI  - SPSS for Windows step by step : a simple guide and reference : 16.0 update
AV  - HA32 Geo
PY  - 2009///
PB  - Allyn and Bacon
KW  - SPSS for Windows
KW  - Social sciences - Statistical methods - Computer programs
N1  - 17395
ER  -