2World Markets Research Center,Brown University.Global E-Government Survey[R].http://www.Worldmarket sanalysis.com.
3http://www.tnsglobal.com.
4Division for Public Economics and Public Administration Fun,American Society for Public Administration.Benchmarking e-government:a global perspective[R].2002.
5European Commission,DG Information Society.Web-based survey on electronic public services:summary report[R].http://europa.eu.int/informationsociety/eeurope/newslibrary/indexen.htm.