000 00530nam a2200181Ia 4500
008 180921t2005 xxu||||| |||| 00| 0 sin d
041 _asin
080 _a663.634
_bJAL
100 _aPadmasiri, J.P
_eed.
245 _aජලය පිරිපහදු කිරිම
246 _aJalaya piripahadu kirima
260 _bNational water supply drainage board
_c2005
300 _a20p., ill., 22 cm
650 _aWater refinery
_aWater management
942 _cBK
999 _c14655
_d14655
003 LK-CoDNM
040 _aLK-CoDNM
_dLK-CoDNM
_eLK-CoDNM