| 000 | 00418nam a2200169Ia 4500 | ||
|---|---|---|---|
| 001 | 17179 | ||
| 003 | IN-NITTTR | ||
| 005 | 20251114233202.0 | ||
| 008 | 251113s9999||||xx |||||||||||||| ||eng|| | ||
| 040 | _beng | ||
| 040 | _cIN-NITTTR | ||
| 041 | _aeng | ||
| 082 | _a371.33 O2 | ||
| 100 | _aChaurasia, G. | ||
| 245 | 0 |
_aOperation blackboard and educational technology for schools. / _cChaurasia, G. |
|
| 942 |
_2ddc _cBK |
||
| 999 |
_c19813 _d19813 |
||