| 000 | 008920a00a22002890004500 | ||
|---|---|---|---|
| 015 | _aP 2241 | ||
| 016 | _a577.4(548.7)SWA | ||
| 041 | _a1 | ||
| 080 | _a577.4(548.7) | ||
| 110 | _nCentral Environmental Authority | ||
| 245 | _aස්වභාවික සම්පත් කළමනාකරණය සඳහා ගුරු උපදෙස් (Swabhawika Sampath Kalamanakaranaya Sandaha Guru Upades) | ||
| 260 |
_aColombo 10 _bCentral Environmental Authority |
||
| 260 | _c1997 | ||
| 300 | _a56p | ||
| 306 | _aNatural Resources Management | ||
| 306 | _aSri Lanka | ||
| 306 | _aSand Mining | ||
| 306 | _aGem Mining | ||
| 306 | _aPrawn Industry | ||
| 650 | _aEnvironmental Sciences | ||
| 852 | _aD2-4-4 | ||
| 999 |
_c4868 _d4868 |
||