@inproceedings{pme336559-fischerfrom17watermelo,
  title={From 17 Watermelons to 17 Sdgs: How Pre-service Teachers Reflect on Their Own Esd Tasks},
  author={Fischer, Michael and Hackl, Johanna and Sitte, Jana and Göller, Robin},
  booktitle={Proceedings of the International Group for the Psychology of Mathematics Education, Volume 1},
  year={2026},
  pages={451--458},
  publisher={Psychology of Mathematics Education (PME)},
  issn={2790-3648}
}