Gerstheimer, OliverEndemann, OliverStrusch, AndreasEndmann, AnjaFischer, HolgerKrökel, Malte2017-11-182017-11-182015https://dl.gi.de/handle/20.500.12116/5576Lean-Start-UpUX-DesignB2C Portal-EntwicklungDesign ThinkingAgiles Projektmanagementsunnyplaces.com – Lean UX-DesignText/Conference Paper