| Hwa Young Lee - Vol. 40 Num. 2 (2020) | ||
| Foregrounding the background: two uses of coordinate systems ABSTRACT | 32-37 | |
| Hwa Young Lee - Vol. 42 Num. 2 (2022) | ||
| Communication: Students’ static and emergent graphical shape thinking in spatial and quantitative coordinate systems | 48-50 | |
for the learning of mathematics
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