@article{34826,
  author       = {{Eichen, Lars and Bruns, Julia}},
  issn         = {{2191-9194}},
  journal      = {{Frühe Bildung}},
  keywords     = {{competency development, early childhood mathematics education, professional development course}},
  number       = {{2}},
  pages        = {{67--73}},
  publisher    = {{Hogrefe & Huber Publishers}},
  title        = {{{Interventionsstudie zur Entwicklung mathematikbezogener Einstellungen frühpädagogischer Fachpersonen}}},
  doi          = {{10.1026/2191-9186/a000310}},
  volume       = {{6}},
  year         = {{2017}},
}