TY  - BOOK
AU  - Kaiser, Gabriele
TI  - Proceedings of the 13th International Congress on Mathematical Education: ICME-13
KW  - teaching mathematics||learning mathematics||mathematics education
UR  - https://library.oapen.org/bitstream/20.500.12657/27742/1/1002263.pdf||https://library.oapen.org/bitstream/20.500.12657/27742/1/1002263.pdf||https://library.oapen.org/bitstream/20.500.12657/27742/1/1002263.pdf
ER  -