Bünzli, FabienneFabienneBünzliEppler, MartinMartinEpplerStanoevska-Slabeva, KatarinaKatarinaStanoevska-SlabevaHofer, AlenaAlenaHofer2023-04-132023-04-132022https://www.alexandria.unisg.ch/handle/20.500.14171/109214https://doi.org/10.1177/23294884221104799enExpressing Demands or Offers: How to Promote Volunteering Using Visual and Verbal Appealsjournal article