Henning, ChristianChristianHenningAßmann, ChristianChristianAßmann0000-0002-4827-3150Hedtrich, JohannesJohannesHedtrichEhrenfels, JulianJulianEhrenfelsKrampe, EvaEvaKrampe2019-09-302019-09-3020190378-8733https://fis.uni-bamberg.de/handle/uniba/46424engWhat drives participatory policy processes: Grassroot activities, scientific knowledge or donor money? – A comparative policy network approacharticle10.1016/j.socnet.2019.03.001