TY  - BOOK
DA  - 1984
LA  - eng
PY  - 1984
TI  - An analysis into structures and mechanisms of 5th grade children's mathematical knowledge
UR  - https://nbn-resolving.org/urn:nbn:de:0070-pub-26030212
Y2  - 2024-12-25T19:28:53
ER  -