01053nas|a2200253 i 450000500170000000800410001703500150005809900320007310000240010524501320012924600970026126000520035830000100041049000310042050000680045165000240051965000510054371000610059481000630065590700250071890200110074399800280075499900170078220260818113742.0201198s1990    th  uzm rtt  00|  a1eng d  a.b10279271 9aAIT Research Report no. 2410 aChongrak Polprasert10aFinal report on upgrading and management of sludge treatment facility at North Bangkok Water Treatment Plant /cby ... [et al.]30aUpgrading and management of sludge treatment facility at North Bangkok Water Treatment Plant  aBangkok :bAsian Institute of Technology,c1990  a90 p.1 aResearch report ;vno. 241  aAt head of title: Metropolitan Waterworks Authority of Thailand 0aWaterxPurification 0aSewagexPurificationxActivated sludge process10aThailand.bMetropolitan Waterworks Authority of Thailand2 aAsian Institute of Technology.tResearch report ;vno. 241  a.b10279271bmnaitcy  a230313  b1c951012dmea  fyg0  c44449d44449