H. M. · H. Mark · M.-L. · Mark L.
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Business Skills Improvement Exercises | 978-0-538-11441-7 (0-538-11441-X) | 1989 | |
| Calculator Applications for Business | 978-0-538-60318-8 (0-538-60318-6) | 1990 | Sandra Yelverton |
| Paula's Plantscape: A Clerical Skills Simulation | 978-0-538-60316-4 (0-538-60316-X) | 1990 | Cheryl L. Noll |