| 000 | 00345nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 170516s9999 xx 000 0 und d | ||
| 082 |
_a500 _bSIG |
||
| 100 | _aSigh Ashok Kumar | ||
| 245 | _aScience & Technology | ||
| 250 | _a23rd | ||
| 260 |
_aNew Delhi _bMc-Graw Hill Education pvt.ltd. _c1905-07-08 |
||
| 300 | _a646 | ||
| 650 | _aCompetitive | ||
| 999 |
_c141401 _d141401 |
||