TY - CPAPER TI - From 17 Watermelons to 17 Sdgs: How Pre-service Teachers Reflect on Their Own Esd Tasks AU - Fischer, Michael AU - Hackl, Johanna AU - Sitte, Jana AU - Göller, Robin T2 - Proceedings of the International Group for the Psychology of Mathematics Education, Volume 1 PB - Psychology of Mathematics Education (PME) PY - 2026 SP - 451 EP - 458 SN - 2790-3648 KW - ESD KW - authenticity KW - SDG KW - reflexion UR - https://www.igpme.org/publications/RR_PME49/rr/fischer-from-17-watermelons-to-17-sdgs-how-pre-service-teachers-reflec/ ER -