TY  - JOUR
DA  - 1981
LA  - eng
IS  - 2
M2  - 38
PY  - 1981
SN  - 0228-0671
SP  - 38-45
T2  - For the learning of mathematics
TI  - Two modes of thinking - also relevant for the learning of mathematics?
UR  - https://nbn-resolving.org/urn:nbn:de:0070-bipr-18386
Y2  - 2026-01-22T00:07:36
ER  -