3Walsh D, Downe S: Meta-Synthesis Method for Qualitative Research: A Literature Review [ J ]. Journal of Avanced Nursing, 2005, (2).
4Christopher H. Baum, Andrea Di Maio. Gartner' s Four Phases of E-Government Model [EB/OL]. https: //www. gartner, com/doc/317292, 2015-07-21.
5Breen J. At the Dawn of E-Government: The Citizen as Customer [J]. Government Final Review, 2000, (4).
6Layne K, Lee J: Developing Fully Functional E-Government: A Four Stage Model [J]. Government Information Quarterly, 2001, (18).
7United Nations. Benchmarking e-Government: A global Perspective: Assessing the UN Member States [M]. New York : United Nations, 2001.
8United Nations. UN Global E-government Survey 2003 [M]. New York : United Nations Department of Economic and social Affairs, 2003.
9United Nations. UN Global E-Government Readiness Report 2005: From E-Government to E-Inclusion [M]. New York: United Nations Department of Economic and Social Affairs, 2005.
10United Nations. UN E-Government Survey 2008: From E-Government to Connected Governance [M]. New York: United Nations, 2008.