| 000 | 00369nam a2200133Ia 4500 | ||
|---|---|---|---|
| 100 | _aNational Council of Educational Research and Training | ||
| 365 | _b5.9 | ||
| 942 | _cBK | ||
| 654 | _a | ||
| 245 |
_aElectricity at work _bClasses VI-VIII |
||
| 260 |
_bNational Council for Educational Research and Training _c1987 |
||
| 082 | _a643.7 | ||
| 300 |
_bPb _c24cm _a(12),54 |
||
| 999 |
_c346726 _d346726 |
||
| 041 | _aeng | ||