| 000 | 00000nam a2200000 a 4500 | ||
|---|---|---|---|
| 005 | 20251203091250.0 | ||
| 100 |
_aBhatnagar,S. _d_ |
||
| 245 | _aEducation and communication technology | ||
| 260 |
_aEss Ess publications _c1988 |
||
| 300 |
_axxxi, 298p. _bHB |
||
| 964 |
_b _c _d _e _f _g_ |
||
| 997 | _a42383 LIBSS C | ||
| 999 |
_c35976 _d35976 |
||