| Original language | English |
|---|---|
| Place of Publication | Utrecht |
| Publisher | Freudenthal Institute |
| Number of pages | 14 |
| Publication status | Published - 1991 |
The empty numberline
K.P.E. Gravemeijer
Research output: Book/Report › Book › Academic
K.P.E. Gravemeijer
Research output: Book/Report › Book › Academic
| Original language | English |
|---|---|
| Place of Publication | Utrecht |
| Publisher | Freudenthal Institute |
| Number of pages | 14 |
| Publication status | Published - 1991 |