New directions for elementary school mathematics /
| Andere auteurs: | |
|---|---|
| Formaat: | Boek |
| Taal: | English |
| Gepubliceerd in: |
Reston, Va. :
National Council of Teachers of Mathematics,
1989.
|
| Reeks: | Yearbook (National Council of Teachers of Mathematics) ;
1989. |
| Onderwerpen: | |
| Classic Catalogue: | View this record in Classic Catalogue |