000 00506nam a22001577a 4500
005 20240916033427.0
008 210614b |||||||| |||| 00| 0 eng d
020 _a9993686545
082 _a333.9 NEC
110 _aNational Environment Commission
245 _aBhutan drinking water quality standard, 2016 /
_cNational Environment Commission.
260 _aBhutan:
_bNational Environment Commision,
_c2016.
300 _a23 p.:
_bill;
_c25cm.
650 _aBhutan drinking water quality.
942 _2ddc
_cENV
999 _c9196
_d9196