| 000 | 00442nam a2200181Ia 4500 | ||
|---|---|---|---|
| 008 | 220421s9999||||xx |||||||||||||| ||und|| | ||
| 020 |
_c200 _a9788170639053 |
||
| 040 | _aBED | ||
| 082 | _a371.335 MAN-E | ||
| 100 |
_aMangal, S.K. _997 |
||
| 245 | 0 | _aEducational technology | |
| 260 |
_bArya Book Depot _aNew Delhi _c2015 |
||
| 300 | _a249p. | ||
| 500 | _a702 | ||
| 650 |
_aEducation _93360 |
||
| 700 |
_aMangal, Shubhra _918795 |
||
| 942 | _cBK | ||
| 999 |
_c702 _d702 |
||