| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Academic Systems Prealgebra | 978-0-7419-1363-0 (0-7419-1363-1) | ||
| Intermediate Algebra | 978-0-7419-1365-4 (0-7419-1365-8) | 2007 | |
| Plato Interactive Mathematics College Algebra 2006 | 978-0-7419-1150-6 (0-7419-1150-7) | 2006 | Douglas F. Robertson |
D.K · D. P. · D. Patrick · P.K. · Patrick Kinney