| 000 | 00401nam a22001457a 4500 | ||
|---|---|---|---|
| 999 |
_c21813 _d21822 |
||
| 020 |
_a9788120337237 _c550.00 |
||
| 041 | _aEnglish | ||
| 082 |
_a378.99 _bMan/S |
||
| 100 | _aMangal, S K | ||
| 245 |
_aEssentials of educational technology _cS K Mangal and Uma Mangal |
||
| 260 |
_aNew Delhi _bPHI Learning _c2019 |
||
| 300 |
_a812 p. _c24 cm. |
||
| 650 |
_aEDUCATION _xEducational technology |
||
| 942 | _cBK | ||