@incollection{MahBellinMularskiIfenthaler2016,
  author    = {Mah, Dana-Kristin and Bellin-Mularski, Nicole and Ifenthaler, Dirk},
  title     = {Moving forward with digital badges in education},
  series = {Foundation of Digital Badges and Micro-Credentials : Demonstrating and Recognizing Knowledge and Competencies},
  booktitle = {Foundation of Digital Badges and Micro-Credentials : Demonstrating and Recognizing Knowledge and Competencies},
  editor    = {Ifenthaler, Dirk and Bellin-Mularski, Nicole and Mah, Dana-Kristin},
  publisher = {Springer},
  address   = {Cham},
  isbn      = {978-3-319-15424-4},
  publisher      = {Universit{\"a}t Potsdam},
  pages     = {511 -- 517},
  year      = {2016},
  language  = {en}
}
@article{WegnerBellinMularskiTamke2009,
  author    = {Wegner, Barbara and Bellin-Mularski, Nicole and Tamke, Fanny},
  title     = {Ganztagsschule in Deutschland},
  isbn      = {978-3-8309-2217-9},
  year      = {2009},
  language  = {de}
}