CERME 11, Conference 14/03/2018 Eleventh Congress of the European Society for Research in Mathematics Education (CERME11). Utrecht University, Netherlands, 6-10 February 2019
PME 43, Conference 12/03/2018 43rd Annual Meeting of the International Group for the Psychology of Mathematics Education (PME 43), Pretoria, South Africa, 7-12 July 2019
ICME 14, Conference 07/03/2018 14th International Congress on Mathematical Education (ICME 14), Shanghai, China, 12-19 July 2020
