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Results 21 - 29 of 29: (Number of pages: 3)

21. The performance of the biosand filter (2007)
    Thye, Ze Pin
22. Declining rate control for slow sand filters (experimental investigation) (1984)
    Munduga, Gideon E.E.
23. Evaluation of household Biosand filters in Ethiopia (2002)
    Dejachew, Gezahgn
24. Conservation and utilisation of traditional surface water sources in rural Bengal. Interim report (September 1990) (1990)
    All India Institute of Hygiene and Public Health; National Drinking Water Mission. Department of Rural Development. Govt. of Indi; Department of Sanitary Engineering and Department of Biochemistry & Nutrition; United Nations Children's Fund (UNICEF); Nath, K.J.; Chakravarty, Indira
25. Removal of algae in Wennappuwa water supply scheme, Sri Lanka (1986)
    Lamabadusuriya, T.P.
26. Comparison of slow and rapid sand filters and a case study of water supply schemes in Zambia (1984)
    Chibebe, O.M.
27. Bangladesh rural water supply and environmental sanitation programme. Report No. 2 on DPHE Research and Development Activities (1984)
    DPHE; United Nations Children's Fund (UNICEF); WHO World Health Organization; Danida
28. Bangladesh rural water supply and environmental sanitation programme. The bridging operation. Report No.4 (Final Report) on DPHE Research and Development Activities (1985)
    Skans, S; Danida; DPHE; United Nations Children's Fund (UNICEF); WHO World Health Organization
29. Pretreatment of polluted waters using a dual media horizontal-flow gravel filter prior to slow sand filtration (1992)
    Salala, Henry E.M.

 

 

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