Back, AndreaAndreaBackSeufert, AndreasAndreasSeufert2023-04-132023-04-132000-06-01https://www.alexandria.unisg.ch/handle/20.500.14171/74062deCollaborationE-LearningPortalWissensmanagementComputer Supported Cooperative Work (CSCW) - State-of-the-Art und zukünftige Herausforderungenjournal article