A. V. · August Treff · V. T.
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| AGS basic math skills | 978-0-7854-0916-8 | 1997 | |
| AGS Life Skills: Math | 978-0-7854-0917-5 | 1997 | Donald H. Jacobs |
| Basic Math Skills | 978-0-7854-2952-4 | 2003 | " |
| Basic Math Skills: Student Workbook | 978-0-7854-2954-8 | 2006 | " |