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. (red.).
Freudenthal Group & Freudenthal Institute, Utrecht University, Netherlands,
s. 1182-1189 Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning › fagfællebedømt