Berlin (Germany), July 15-19 2017

Link to the official website of the conference: https://www.ewi-psy.fu-berlin.de/en/einrichtungen/arbeitsbereiche/grundschulpaed/3_mathematik/CIEAEM69_n/index.html

Link to the proceedings: https://sites.unipa.it/grim/quaderno27_suppl_2.htm