| 000 | 00701nam a2200217 a 4500 | ||
|---|---|---|---|
| 005 | 20210219153251.0 | ||
| 008 | 991125n 000 0 u | ||
| 035 | _aUPN01000087346 | ||
| 222 | _aJOURNAL FOR RESEARCH IN MATHEMATICS EDUCATION | ||
| 245 | _aMathematics education reform and mathematics education research : opportunities, obstacles, and obligations | ||
| 300 | _a287-292 | ||
| 362 | _a21, No. 4, 1990 | ||
| 505 | _aFebrero 1991 | ||
| 653 | 0 | _aCURRICULUM MATEMATICO | |
| 653 | 0 | _aESCUELA SECUNDARIA (MATEMATICAS) | |
| 653 | 0 | _aMATEMATICA EDUCATIVA | |
| 653 | 0 | _aMEJORAMIENTO EDUCATIVO | |
| 653 | 0 | _aOPORTUNIDADES DE INVESTIGACION | |
| 904 |
_aAC _b025157 |
||
| 905 | _aArticulo | ||
| 999 |
_c72534 _d72534 |
||