| 000 | 00415nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 231101s1987 xx 000 0 eng d | ||
| 041 | _aENGLISH | ||
| 100 | _aS C ARYA | ||
| 245 | 0 | _aDEVELOPMENT OF SCIENTIFIC CONCEPTS AMONG CHILDREN | |
| 260 |
_aAGRA _bNATIONAL PSYCHOLOGICAL CORPORATION _c1987 |
||
| 300 | _a159 | ||
| 563 | _aSOFT | ||
| 650 | _aDEVELOPMENT OF SCIENTIFIC CONCEPTS AMONG CHILDREN | ||
| 942 |
_2ddc _cTEXT |
||
| 999 |
_c211 _d211 |
||