@article{Siegfried2023,
  author    = {Patrick Siegfried},
  title     = {Analysis of the service research studies in the German research field},
  journal   = {Prace Naukowe Uniwersystetu Ekonomicznego we Wrocławiu - Research Papers of Wroclaw University of Economics and Business},
  number    = {345},
  pages     = {1 [94] -- 10 [104]},
  year      = {2023},
}