J. S. · O's · Otto S. · Otto Santos
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Keychamp Macintosh Network Site License | 978-0-538-66064-8 | 1998 | Walter M. Sharp · Anthony A. Olinzock |
| Keychamp: Windows Network Site License | 978-0-538-66063-1 | 1998 | Walter M. Sharp · Anthony A. Olinzock |
| Keychamp Windows Site License | 978-0-538-43388-4 | 2003 | Walter M. Sharp · Anthony A. Olinzock |
| Microcomputer Simulations in Business | 978-0-538-13620-4 | 1986 | Anthony A. Olinzock |