Freudenthal, Hans, (1905-1990.)

Selecta / by: Freudenthal, Hans, (1905-1990.); Springer, T. A. (1926-); Dalen, D. van (1932-); European Mathematical Society. (Language materials, printed)

All positive action starts with criticism = Hans Freudenthal and the didactics of mathematics / by: Bastide-van Gemert, Sacha la.; SpringerLink (Online service) (Electronic resources)