George, Darren.
SPSS for Windows step by step : a simple guide and reference: 12.0 update / Darren George, Paul Mallery. - 5th ed. - Allyn and Bacon 2005.
12994
SPSS for Windows.
Social sciences - Statistical methods - Computer programs.
HA32 / Geo.
SPSS for Windows step by step : a simple guide and reference: 12.0 update / Darren George, Paul Mallery. - 5th ed. - Allyn and Bacon 2005.
12994
SPSS for Windows.
Social sciences - Statistical methods - Computer programs.
HA32 / Geo.