Filters: Keyword is ghana northern regionandAuthor is Berkoh, C.[Clear All Filters]
1993
C. Berkoh, “Slow sand filtration water treatment”, in Water, sanitation, environment and development : proceedings of the 19th WEDC conference, Accra, Ghana, 6-10 September 1993, 1993, pp. P. 93-95 : 5 tab.