J.B. · J. Burton · Joe Burton
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| 10-Key Touch Key: Developing Speed and Accuracy | 978-0-13-170363-6 | 2005 | David Burton |
| Business Math Using Calculators: With 10-Key Computer Assisted Instruction | 978-0-13-099140-9 | 2005 | " |
| Business Math Using Calc: With 10key Computr | 978-0-13-086204-4 | 2003 | David M. Burton |
| Touch Key 10-key Software | 978-0-13-048902-9 | 2002 | David Burton |
| Touch Key 10-Key Software: Version 2.0 | 978-0-13-022535-1 | 1999 | " |