| 000 | 00381nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 131111s9999 xx 000 0 und d | ||
| 100 | _aBhatnagar,S | ||
| 245 | _aEducation and communication technology | ||
| 260 | _aNew Delhi | ||
| 260 | _bEss Ess pub | ||
| 260 | _c1985 | ||
| 300 | _a298p. | ||
| 650 |
_aEducation Technology _aEducation |
||
| 700 | _aAnand.S | ||
| 763 | _a6742 | ||
| 999 |
_c56564 _d56564 |
||