| 000 | 00496nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1975 xx 000 0 und d | ||
| 082 | _a372.701 9 R88C | ||
| 100 | _aROSSKOPF, Myron F | ||
| 245 | 0 | _aChildren's mathematical concepts: six piagetian studies in mathematics education | |
| 260 |
_bN.Y. _c1975 |
||
| 300 | _a214p | ||
| 650 | _aMATHEMATICS -- STUDY AND TEACHING (ELEMENTARY) | ||
| 653 | _aCONCEPT LEARNING | ||
| 653 | _aMATHEMATICS -- STUDY AND TEACHING (ELEMENT | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c72962 _d72962 |
||