References
Timo Leuders
Educational research on mathematics: a short survey of its development in German speaking countries
2019
with Gellert Uwe, Hefendehl-Hebeker Lisa
in: Traditions in German-speaking mathematics education research, Dordrecht : Springer
Educational research on learning and teaching mathematics
2019
with Schulz Andreas
in: Traditions in German-speaking mathematics education research, Dordrecht : Springer