000 005930000a22001810004500
003 PH-MaWHO
005 20241108112058.0
020 _a92-9022-173-9
090 _aSE 1984
245 _aLow-cost water supply and sanitation technology : pollution and health problems.
264 _aNew Delhi :
_bWorld Health Organization (WHO) Regional Office for South-East Asia,
_c1984.
300 _a40p.
490 _a(SEARO regional health papers ; no. 4).
041 _aeng
650 _aWater supply
_9360161
650 _aSanitation
_9309636
942 _cMONO
_b2017 retain
_gMark 25-04-2018 13:29:47
999 _c438
_d438