Dale L. Brekke - Vol. 12 Num. 3 (1992) | ||
Glimpses of ICME-7: Encouragements and disturbances | 20-21 |
for the learning of mathematics
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Dale L. Brekke - Vol. 12 Num. 3 (1992) | ||
Glimpses of ICME-7: Encouragements and disturbances | 20-21 |