00729nam a2200181 a 450000500170000000800410001704000230005808200260008111000190010724501350012626000360026130000270029765000500032465000650037465000560043970000250049583000270052020181210082631.0861121s1990    waua     b   f100 0 eng    aDLCcDLCdBD-DhBPA00a363.123219bAZW 1990  aThe World Bank10aWater supply, sanitation, and hygiene education :breport of a health impact study in Mirzapur, Bangladesh / cK.M.A. Aziz [et al]  aWashington, D.C.:bUNDP,c1990.  a91p. :bill. ;c25 cm. 0aEnvironmental healthxEvaluationxCongresses. 0aWaterxPurificationxHealth aspectsxEvaluationxCongresses. 0aSanitationxHealth aspectsxEvaluationxCongresses.  aAziz, K.M.A. [et al] 0aIDRC (Series) ;v248e.