Clegg, MelanieMelanieCleggHofstetter, RetoRetoHofstetterSchindler, LeaLeaSchindlerDeubelbeiss, OliviaOliviaDeubelbeissLanz, AndreasAndreasLanzFaltl, MartinMartinFaltlTomczak, TorstenTorstenTomczak2023-04-132023-04-132020https://www.alexandria.unisg.ch/handle/20.500.14171/112625deSwiss Influencer Marketing Report 2020work report