~ gathering this author’s shelf ~
10 bookswriting since 199232 years at work
IBM SPSS Statistics 25 Step by Step
2018
IBM SPSS Statistics 29 Step by Step
2024
IBM SPSS Statistics 27 Step by Step
2021
IBM SPSS Statistics 26 Step by Step
2019
IBM SPSS Statistics 23 Step by Step
2016
IBM SPSS Statistics 21 Step by Step
2014
IBM SPSS Statistics Step by Step
2011
SPSS for Windows Step by Step
1998
SPSS/PC+ Step by Step
1994
Traction Handbook for Model Railroads
1992