| 000 | 00348nam a2200097 4500 | ||
|---|---|---|---|
| 245 | _aInvestigations in mathematics education : a journal of abstracts and annotations | ||
| 260 |
_aOhio _bERIC Science, Mathematics & Environmental Education Clearinghouse _c1969 |
||
| 300 | _av.; 28cm.- | ||
| 490 | _aSchool mathematics study group | ||
| 082 |
_a510.7 _bINV |
||
| 999 |
_c64059 _d64059 |
||