Journal | Contributors | Profile

with Gellert, U. , Leuders, T. (2019)., Educational research on mathematics: a short survey of its development in German speaking countries, in L. Hefendehl-Hebeker (ed.), Traditions in German-speaking mathematics education research, Dordrecht, Springer, pp. 1-23.

(2019)., Subject-matter didactics, in L. Hefendehl-Hebeker (ed.), Traditions in German-speaking mathematics education research, Dordrecht, Springer, pp. 25-59.

(ed) (2019). Traditions in German-speaking mathematics education research, Springer, Dordrecht.