| 000 | 00689nam a2200241 a 4500 | ||
|---|---|---|---|
| 005 | 20210219153406.0 | ||
| 008 | 991125n 000 0 u | ||
| 035 | _aUPN01000096443 | ||
| 100 | _aCobb, Paul | ||
| 222 | _aFOCUS ON LEARNING PROBLEMS IN MATHEMATICS | ||
| 245 | _aReconstructing elementary school mathematics | ||
| 300 | _a3-32 | ||
| 362 | _a13, No. 2, 1991 | ||
| 505 | _aMarzo 1992 | ||
| 653 | 0 | _aDESARROLLO COGNOSCITIVO | |
| 653 | 0 | _aDESARROLLO CURRICULAR | |
| 653 | 0 | _aENSE\197ANZA MATEMATICA | |
| 653 | 0 | _aFORMACION CONCEPTUAL | |
| 653 | 0 | _aMATEMATICAS DE LA ESCUELA ELEMENTAL | |
| 653 | 0 | _aPROCESOS COGNITIVOS | |
| 904 |
_aAC _b034254 |
||
| 905 | _aArticulo | ||
| 999 |
_c75742 _d75742 |
||