| 000 | 00422nam a22001337a 4500 | ||
|---|---|---|---|
| 003 | OSt | ||
| 005 | 20191226220519.0 | ||
| 008 | 170217b xxu||||| |||| 00| 0 eng d | ||
| 245 |
_aBhutan drinking water quality standard : _bnational environment commission royal government of Bhutan. |
||
| 260 |
_aThimphu : _bNational environment commission, _c2016. |
||
| 300 |
_a23 p. _bill. _c26 cm. |
||
| 650 | _adrinking water | ||
| 942 | _cBD | ||
| 999 |
_c6167 _d6167 |
||