SPSS Inc

SPSS / PC for the IBM PC / XT SPSS Inc Year not listed SPSS 8.0 guide to data analysis Norušis, M. J. 1998 SPSS Base 12.0 user's guide SPSS 1998 SPSS Base System Syntax Reference Guide Release 6.0 Author not listed Year not listed SPSS Categories 11.0 Jacqueline J. Meulman, Willem J. Heiser 2001 SPSS Complex Samples 12.0 SPSS Inc Year not listed SPSS Tables 11.5 SPSS Inc 1997 SPSS trends 10.0 Author not listed Year not listed SPSS/PC Update for V3.0 and V3.1: for the IBM PC/XT/AT and PS/2 Norus̆is, M. J. 1987 SPSS/PC+ studentware plus Norusis, M. J. 1991 SPSS/PC+ V2.0 base manual for the IBM PC/XT/AT and PS/2 Norus̆is, M. J. 1988 The SPSS guide to data analysis for SPSS/PC+ Norušis, M. J. 1991