O's · Otto, Jr. Santos · Otto S.
Cengage Learning · South-Western College Publications
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| KeyChamp 2.0 | 978-0-538-43390-7 | 2003 | Walter M. Sharp · Anthony A. Olinzock |
| KeyChamp 2.0 | 978-0-538-43392-1 | 2002 | Anthony A. Olinzock · Walter M. Sharp |
| KeyChamp 2.0 Macintosh Site License Package | 978-0-538-43458-4 | 2003 | Anthony A. Olinzock · Walter M. Sharp |
| KeyChamp | 978-0-538-63293-5 | 1998 | Walter M. Sharp · Anthony A. Olinzock |
| KeyChamp | 978-0-538-72072-4 | 1998 | Walter M. Sharp · Anthony A. Olinzock |
| KeyChamp: Macintosh Network Site License | 978-0-538-66064-8 | 1998 | Walter M. Sharp · Anthony A. Olinzock |
| KeyChamp Site License Package, Version 2.0 | 978-0-324-40183-7 | 2005 | 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 |