1. Acceture. (2004). E-government. Retrieved from http://acceture.de
2. Aibar, E., Urgell, F., & Welp, Y. (2006). E-governaÇa I atenció ciudadana. La Generatital de Catalunya en el context internacional. Retrieved from http://www.uoc.edu
3. Developing A Service Oriented E-Government Architecture Towards Achieving E-Government Interoperability.;Z.Al-Khanjari;International Journal of Software Engineering and Its Applications,2014
4. Ala-Mutka, K., Broster, D., Cachia, R., Centeno, C., Feijóo, C., Haché, A. et al. 2009. The impact of social computing on the EU information society and economy.
5. The E-Government paradox: Better customer service doesn't necessarily cost less