| 000 | 00332nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 190710s9999 xx 000 0 und d | ||
| 082 | _a375.5 V 19 | ||
| 100 | _aVaidya, Narendra | ||
| 245 | 0 | _aSome aspects of piagets work and science teaching | |
| 260 |
_aNew delhi _bS Chand & Co (pvt.) Ltd _c1970 |
||
| 300 | _axix,310 | ||
| 942 | _cBK | ||
| 999 |
_c8965 _d8965 |
||