| 000 | 00382nam a2200133Ia 4500 | ||
|---|---|---|---|
| 100 | _aVaidya, Narendera | ||
| 365 | _b40 | ||
| 942 | _cBK | ||
| 654 | _a | ||
| 245 |
_aSome aspects of piaget's work and science teaching _bA contribution towards the foundations of science teaching |
||
| 260 |
_aNew Delhi _bS. Chand & Company _c1970 |
||
| 082 | _a375.5 | ||
| 300 |
_bHb _c22.7 _axxiv,310 |
||
| 999 |
_c403589 _d403589 |
||
| 041 | _aeng | ||