| 000 | 00539nam a22002057a 4500 | ||
|---|---|---|---|
| 999 |
_c22730 _d22730 |
||
| 005 | 20201003100929.0 | ||
| 008 | 200930b ||||| |||| 00| 0 eng d | ||
| 020 | _a9788121927642 | ||
| 041 | _aeng | ||
| 082 | _a363.7 As83t | ||
| 100 | _aAsthana, D. K | ||
| 245 |
_aTextbook of environmental studies _cD. K. Asthana |
||
| 260 |
_aNew Delhi _bS. Chand & Company Pvt. Ltd. _c2006 |
||
| 300 | _axvi, 397p. | ||
| 650 | _aPollution | ||
| 650 | _aBiodiversity | ||
| 650 | _aNatural resources | ||
| 700 | _aAsthana, Meera | ||
| 942 | _cBK | ||