TY  - BOOK
AU  - Jahnke, Hans Niels||Hefendehl-Hebeker, Lisa
TI  - Traditions in German-Speaking Mathematics Education Research
KW  - Education||Mathematics—Study and teaching ||Education—History||Education—Research||Teaching||Study Skills
UR  - https://library.oapen.org/bitstream/20.500.12657/23019/1/1007142.pdf
ER  -