| Junichi Hasewaga - Vol. 22 Num. 1 (2002) | ||
| Case studies on the symbolism of difference-finding problems in first grade | 21-28 | |
for the learning of mathematics
Search Table of Contents
Search Table of Contents
| Junichi Hasewaga - Vol. 22 Num. 1 (2002) | ||
| Case studies on the symbolism of difference-finding problems in first grade | 21-28 | |