| 000 | 00409nam a2200121 4500 | ||
|---|---|---|---|
| 245 |
_aResearch on mathematics education ,K-12, reported in 1971 _c Marilyn N. Suydam |
||
| 100 | _aSuydam, Marilyn N. | ||
| 260 |
_aOhio _b ERIC Information Analysis Center for Science & Mathematics Education _c1972 |
||
| 300 | _aii,83p.; 28cm. | ||
| 490 | _aMathematics education reports | ||
| 082 |
_a _b510.72 SUY |
||
| 041 | _aeng | ||
| 999 |
_c48163 _d48163 |
||