| 000 | 00658nam a2200229 a 4500 | ||
|---|---|---|---|
| 005 | 20210219153215.0 | ||
| 008 | 991125n 000 0 eng u | ||
| 035 | _aUPN01000084211 | ||
| 100 | _aFuson, Karen C. | ||
| 222 | _aJOURNAL FOR RESEARCH IN MATHEMATICS EDUCATION | ||
| 245 | _aKorean children's single digit addition and subtraction : numbers structured by ten | ||
| 300 | _a148-165 | ||
| 362 | _a1992 23, no. 2 | ||
| 653 | 0 | _aADICION | |
| 653 | 0 | _aDESTREZAS MATEMATICAS | |
| 653 | 0 | _aRESOLUCION DE PROBLEMAS | |
| 653 | 0 | _aRESTA | |
| 653 | 0 | _aSISTEMA NUMERICO | |
| 700 | _aKwon, Youngshim | ||
| 904 |
_aAC _b022022 |
||
| 905 | _aArticulo | ||
| 999 |
_c71086 _d71086 |
||