Anthony A. Churchill has written:

'Rural water supply and sanitation' -- subject(s): Finance, Rural Sanitation, Water-supply, Rural

Tony Emmett has written:

'Water supply and sanitation services in South Africa' -- subject(s): Sanitation, Statistics, Water-supply

Water supply projects are vital for provision of water but they must be well planned and separated from sanitation pipes lines or system used for disposal of used water

BETHAN EMMETT has written:

'IN THE PUBLIC INTEREST: HEALTH, EDUCATION, AND WATER AND SANITATION FOR ALL' -- subject(s): World health, Water-supply, Developing Countries, Sanitation, Education, World Health, Water Supply

do all mallesh things