@book{9783732909339,
  title = {Spracherwerb in DaZ und DaF – Forschung, Didaktik, Praxis},
  editor = {Sabrina Ballestracci,Silvia Introna},
  publisher = {Frank \& Timme},
  year = {2024},
  edition = {1},
  series = {Sprachen lehren – Sprachen lernen},
  volume = {16},
  url = {https://www.frank-timme.de/de/programm/produkt/spracherwerb\_in\_daz\_und\_daf}
}