| 000 | 004040000a22001570004500 | ||
|---|---|---|---|
| 245 | _aNational Workshop on Sanitation | ||
| 250 | _aNational Workshop on Sanitation | ||
| 700 |
_aSri Lanka _aColombo _a1980 |
||
| 260 |
_aColombo _bMinistry of Health _c1980 |
||
| 080 |
_a628.4 _bN3 |
||
| 650 | _aSANITARY ENGINEERING | ||
| 650 | _aURBAN HYGINE | ||
| 650 | _aGARBAGE | ||
| 041 | _aEN | ||
| 942 | _cBK | ||
| 999 |
_c116368 _d116368 |
||