G. C. · g G · Gregory G.
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The World Of E-Government | 978-0-7890-2306-3 (0-7890-2306-7) | 2003 | |
| World Of E-Government, The | 978-0-7890-2305-6 (0-7890-2305-9) | 2004 | Michael Sommer · Veronika Vis-Sommer |