NORMA 20, Conference 04/03/2019 Ninth Nordic Conference on Mathematics Education, NORMA 20, Department of Teacher Education and School Research, 2021, Oslo, Norway
ICME 14, Conference 03/03/2019 14th International Congress on Mathematical Education (ICME 14), 2021, Shanghai, China
PME 44, Conference 02/03/2019 44th Annual Meeting of the International Group for the Psychology of Mathematics Education, 2021, Khon Kaen, Thailand
CERME 12, Conference 01/03/2019 12th Congress of the European Society for Research in Mathematics Education (CERME12), Free University of Bozen-Bolzano, Italy, 2-6 February 2022
