@article{KregelOgonekMatthies2019,
  author    = {Kregel, Ingo and Ogonek, Nadine and Matthies, Benjamin},
  title     = {Competency Profiles for Lean Professionals - An International Perspective},
  series = {International Journal of Productivity and Performance Management},
  volume    = {68 (2)},
  journal   = {International Journal of Productivity and Performance Management},
  issn      = {1741-0401},
  doi       = {10.1108/IJPPM-09-2017-0237},
  pages     = {423 -- 446},
  year      = {2019},
  language  = {en}
}