TY  - JOUR
DA  - 1984
LA  - eng
IS  - 3
M2  - 22
PY  - 1984
SN  - 0228-0671
SP  - 22-23
T2  - For the learning of mathematics
TI  - Research problems in mathematics education - III
UR  - https://nbn-resolving.org/urn:nbn:de:0070-bipr-18290
Y2  - 2024-11-25T01:13:49
ER  -