@incollection{Boecker2021,
  author    = {Boecker, Michael},
  title     = {Vom Qualit{\"a}tsmanagement zur Wirkungsorientierung},
  series = {Qualit{\"a}tsmanagement - Qualit{\"a}tsentwicklung},
  publisher = {Nomos},
  address   = {Baden-Baden},
  pages     = {143 -- 168},
  year      = {2021},
  language  = {de}
}
@incollection{Boecker2020,
  author    = {Boecker, Michael},
  title     = {Behinderung im Globalen S{\"u}den},
  series = {Behinderung : kulturwissenschaftliches Handbuch},
  publisher = {J. B. Metzler},
  address   = {Berlin},
  pages     = {187 -- 190},
  year      = {2020},
  language  = {de}
}