@inproceedings{pme336559-bissellfacilitatorandp,
  title={Facilitator and Participant Roles in Online Mathematics Teacher Professional Development},
  author={Bissell, Alistair},
  booktitle={Proceedings of the International Group for the Psychology of Mathematics Education, Volume 1},
  year={2026},
  pages={187--194},
  publisher={Psychology of Mathematics Education (PME)},
  issn={2790-3648}
}