| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Basic Skills for Wp/Activity Guides | 978-0-538-23301-9 (0-538-23301-X) | 1999 |
| Basic Skills in Word Processing | 978-0-538-23300-2 (0-538-23300-1) | 1999 |
| Music Boosters an Entrepreneurial Adventure | 978-0-538-07030-0 (0-538-07030-7) | 1988 |
T.S. · T-Systems · U. S. · Universal's · Universal Training Systems Co.