Comments on: Bacterial, viral and turbidity removal by intermittent slow sand filtration for household use in developing countries

Comments on: Bacterial, viral and turbidity removal by intermittent slow sand filtration for household use in developing countries http://blogs.washplus.org/drinkingwaterupdates/2011/12/bacterial-viral-and-turbidity-removal-by-intermittent-slow-sand-filtration-for-household-use-in-developing-countries/ from the WASHplus Project Tue, 22 Sep 2015 12:34:42 +0000 hourly 1 http://wordpress.org/?v=3.1.4