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Results 21 - 30 of 38: (Number of pages: 4)

21. Nitrate pollution of groundwater in Botswana * (1980)
    Hutton, L G
22. Operation and maintenance of semi-urban water supply stations in Kano State * (1980)
    Sabari, A M
23. People and pit latrines in Africa * (1980)
    Bell, M
24. Pipe-borne water supply in a traditional society - Nigerian condition * (1980)
    Anyahuru, E A
25. Relevant water development technology in relation to operation and maintenance aspects under uncertainty * (1980)
    Igwe, O C
26. Resources recovery in tropical wastes disposal: composting and biogas technologies * (1980)
    Iwugo, K O
27. Runoff hydrographs from Northern Nigeria watersheds without streamflow records * (1980)
    Duru, J O
28. Rural water supply and community development: a study of Kajola area of Nigeria * (1980)
    Egunjobi, 'L
29. Teatment of small flows wastewater-on-site with intermittent sand filtration * (1980)
    Boyle, W C
30. The concept of a depressurized water tank * (1980)
    Oleszkiewicz, A O

 

 

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