Survey of e-government portals in european capitals and large cities: A benchmarking study of g2b-services Hogrebe, Frank Blinn, Nadine Nüttgens, Markus 2009 - Forschungsinformationssystem der UHH
Portals' maturity of European cities: towards an eGovernment barometer based on a survey of municipal G2B eServices Hogrebe, Frank Blinn, Nadine Nüttgens, Markus 2009 - Forschungsinformationssystem der UHH