Steffens, PetraPetraSteffensBranding, HolgerHolgerBrandingKorhummel, SvenSvenKorhummel2022-03-042022-03-042008https://publica.fraunhofer.de/handle/publica/216128deE-Governmentservice-oriented architecture (SOA)change managementregional e-government portalone-stop e-governmentMRN GmbH004journal article