@article{Siegfried2023,
  author    = {Patrick Siegfried},
  title     = {Development a service engineering concept for SMEs},
  journal   = {Prace Naukowe Uniwersystetu Ekonomicznego we Wrocławiu - Research Papers of Wroclaw University of Economics and Business},
  number    = {290},
  pages     = {113 -- 127},
  year      = {2023},
}