@article{Wala,
  author    = {Wala, Thomas},
  title     = {Die betriebswirtschaftliche Klausur: Unternehmensf{\"u}hrung},
  series = {WISU},
  volume    = {2019},
  journal   = {WISU},
  pages     = {933 ff -- 8},
  subject      = {Management},
  language  = {de}
}
@article{Wala,
  author    = {Wala, Thomas},
  title     = {Organisationsmodell Holokratie: So funktioniert Unternehmensf{\"u}hrung ohne Hierarchien},
  series = {Cooperativ},
  journal   = {Cooperativ},
  number    = {4},
  pages     = {16 ff},
  subject      = {Management},
  language  = {de}
}