| 000 | 00387 a2200157 4500 | ||
|---|---|---|---|
| 020 | _a9559060015 | ||
| 041 | _aSn | ||
| 082 |
_a333.7 _bSAM |
||
| 100 | _aSamarasinghe , Wimaladasa | ||
| 245 | _aසජීවී පරිසරය | ||
| 260 |
_c1989 _aColombo _bPahan Prakashana _g2006 |
||
| 300 |
_c21 cm. _a145 p. |
||
| 650 | _aENVIRONMENT | ||
| 650 | _aNATURAL RESOURCES | ||
| 942 | _cLN | ||
| 999 |
_c19004 _d20551 |
||