1. Towards a definition of electronic government: A comparative review;Gil-García,2003
2. The Digital Organization;Best,1997
3. Building collaborative digital government systems;Dawes,2002
4. Landsbergen, D. J., & Wolken Jr. G., (1998, October). Eliminating Legal and Policy Barriers to Interoperable Government Systems. Paper presented at the annual research conference of the association for public policy analysis and management, New York.
5. The politics of public information systems;Bellamy,2000