Jessen, Britta Eyrich,
2020,
Proceedings of the Eleventh Congress of the European Society for Research in Mathematics Education.. Jankvist, U. T., Van den Heuvel-Panhuizen, M. & Veldhuis, M. (eds.).
Freudenthal Group & Freudenthal Institute, Utrecht University, Netherlands,
p. 1182-1189 Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review