| 000 | 00460nam a2200121 4500 | ||
|---|---|---|---|
| 245 |
_aSome theoritical issues in mathematics education : papers from a research presession _cedited by Richard Lesh and Walter Secada |
||
| 710 | _aLesh, Richard | ||
| 710 | _aSecada, Walter | ||
| 260 |
_aOhio _bERIC clearinghouse for Science, Mathematic and Environmental Education _c1979 |
||
| 300 | _a74p.; 22cm.- | ||
| 490 | _aMathematics education report | ||
| 082 |
_a510.72 _bLES |
||
| 999 |
_c63072 _d63072 |
||