@misc{doukakis2021measuring,
  title={Measuring the technological pedagogical content knowledge (TPACK) of in-service teachers of computer science who teach algorithms and programming in upper secondary education},
  author={Spyridon Doukakis and Alexandra Psaltidou and Athena Stavraki and Nikos Adamopoulos and Panagiotis Tsiotakis and Stathis Stergou},
  year={2021},
  eprint={2105.09252},
  archivePrefix={arXiv},
  primaryClass={cs.CY},
  url={https://arxiv.org/abs/2105.09252}
}