| 000 | 00414nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 250419s9999 xx 000 0 und d | ||
| 020 | _a81-219-2764-1 | ||
| 082 |
_a333.7 _bAST |
||
| 100 | _aAsthana, D. K. | ||
| 245 | 0 | _aTextbook of environmental studies | |
| 250 | _a1st edition 2006. | ||
| 260 |
_aNew Delhi : _bS. Chand & Company _c2021 |
||
| 300 | _a350 pages. | ||
| 365 | _a190 | ||
| 650 | _bBiotechnology | ||
| 999 |
_c263315 _d263315 |
||