Hoegg, RomanRomanHoeggMartignoni, RobertRobertMartignoniMeckel, MiriamMiriamMeckelStanoevska-Slabeva, KatarinaKatarinaStanoevska-SlabevaMeckel, MiriamStanoevska-Slabeva, Katarina2023-04-132023-04-132008https://www.alexandria.unisg.ch/handle/20.500.14171/79278deWeb 2.0 Geschäftsmodellebook section