| 000 | 00405nam a22001337a 4500 | ||
|---|---|---|---|
| 999 |
_c519305 _d519305 |
||
| 082 | _aPKP A72 V212e | ||
| 100 |
_aRavi and Vajiram _930150 |
||
| 245 |
_aGeneral studies _bEnvironment and ecology _cby Vajiram and Ravi |
||
| 260 |
_aNew Delhi _bVajiram and Ravi _c2020-2021 |
||
| 300 | _a279p. | ||
| 650 |
_aGeneral studies _930151 |
||
| 650 |
_aEcology _930152 |
||
| 650 |
_aEnvironmental policy _930153 |
||