@InCollection{Kruk:2018,
  author  = "M. Kruk",
  title     = "Autonomy held in the hand or the use of mobile devices by advancedlearners of English",
  pages     = "97--111",
  year      = "2018",
  booktitle = "CALL for Mobility, ISBN: 9783631748367",
  editor    = "Eds. Joanna Pitura, Shannon Sauro",
  publisher = "Peter Lang GmbH",
  address   = "Berlin",
  series    = "Studies in Computer Assisted Language Learning",
}