TY  - BOOK
AU  - Bikner-Ahsbahs, Angelika||Vohns, Andreas||Schmitt, Oliver||Bruder, Regina||Dörfler, Willi
TI  - Theories in and of Mathematics Education
KW  - Mathematics Education||Learning||Teaching
UR  - https://library.oapen.org/bitstream/20.500.12657/27705/1/1002301.pdf||https://library.oapen.org/bitstream/20.500.12657/27705/1/1002301.pdf||https://library.oapen.org/bitstream/20.500.12657/27705/1/1002301.pdf
ER  -