| 000 | 00673nam a2200229 a 4500 | ||
|---|---|---|---|
| 005 | 20210219153149.0 | ||
| 008 | 991125n 000 0 u | ||
| 035 | _aUPN01000081330 | ||
| 100 | _aBaroody, Arthur J | ||
| 222 | 0 | _aJOURNAL FOR RESEARCH IN MATHEMATICS EDUCATION | |
| 245 | 0 | _aHow an when should place-value concepts and skills be taught? | |
| 300 | _a281-286 | ||
| 362 | _a21, No. 4, 1990 | ||
| 505 | _aFebrero 1991 | ||
| 653 | 0 | _aARITMETICA | |
| 653 | 0 | _aCONCEPTOS DEL NUMERO | |
| 653 | 0 | _aENSE\197ANZA MATEMATICA | |
| 653 | 0 | _aMATEMATICAS DE LA ESCUELA ELEMENTAL | |
| 653 | 0 | _aMETODOS DE ENSEÑANZA | |
| 904 |
_aAC _b019141 |
||
| 905 | _aArticulo | ||
| 999 |
_c69909 _d69909 |
||