| 000 | 00398pam a2200157a 44500 | ||
|---|---|---|---|
| 008 | 230515b2003 xxu||||| |||| 00| 0 eng d | ||
| 020 | _aNULL | ||
| 041 | _aENG | ||
| 082 | _a370 | ||
| 100 | _aJ C Aggarwal | ||
| 245 | _aEssentials of Educational Technology learning Innovations in Education | ||
| 250 | _a0 | ||
| 260 |
_aNULL _b"vikas pub house, nd, " _c2003 |
||
| 300 | _a463 | ||
| 650 | _aN.D. | ||
| 999 |
_c522949 _d522949 |
||