@book{mullerhartmann2013lernaufgaben,
  address = {Braunschweig},
  editor = {Müller-Hartmann, Andreas and Schocker, Marita and Pant, Hans Anand},
  interhash = {3dfe6c0e513369e0be9397e1c647d5f6},
  intrahash = {c35a34e102118cc31f168938e0372765},
  publisher = {Diesterweg},
  title = {Lernaufgaben Englisch aus der Praxis. Kompetenzentwicklung in der Sek. I.},
  year = 2013
}

@book{hallet2014kompetenzaufgaben,
  address = {Seelze},
  edition = {2.},
  editor = {Hallet, Wolfgang and Krämer, Ulrich},
  interhash = {3dc74842df7dda84f4e64b17e51cb689},
  intrahash = {f95f344a6397f04bef6fea206487b8d0},
  publisher = {Klett},
  title = {Kompetenzaufgaben im Englischunterricht. Grundlagen und Unterrichtsbeispiele},
  year = 2014
}

@book{grimm2015teaching,
  address = {Tübingen},
  author = {Grimm, Nancy and Meyer, Michael and Volkmann, Laurenz},
  interhash = {230a5179f0676b30681aa8462550fe96},
  intrahash = {55875312789c2b0d58173ca24a5ad5ea},
  publisher = {Narr},
  title = {Teaching English},
  year = 2015
}

@book{eisenmann2012basis,
  address = {Heidelberg},
  author = {Eisenmann, Maria and Summer, Theresa},
  interhash = {6b8e3910327c36be3d94196e77812137},
  intrahash = {ad40673d1f0df96bf1da297e17327eb2},
  publisher = {Universitätsverlag Winter},
  title = {Basic Issues in EFL Teaching and Learning},
  year = 2012
}

@article{hallet2013komplexe,
  author = {Hallet, Wolfgang},
  interhash = {40f31a1b99c6f31dade58480b3ac0cbe},
  intrahash = {8527985c350084071253dd61f8bfd67c},
  number = 124,
  pages = {2-8},
  title = {Die komplexe Kompetenzaufgabe},
  volume = {Der fremdsprachige Unterricht Englisch},
  year = 2013
}