Biblio

D. F. I. D. United Kin GB, “How safe is safe? : a concise review of the health impacts of water supply, sanitation and hygiene”, vol. no. 509. Water, Engineering and Development Centre, Loughborough University of Technology, WEDC, Loughborough, UK, p. iv, 21 p. : fig., tabs., 2001.

D. F. I. D. United Kin GB, “Working together : the sharing of water and sanitation support services for small towns and villages”, vol. no. 510. Water, Engineering and Development Centre, Loughborough University of Technology, WEDC, Loughborough, UK, p. iii, 36 p. : fig., tabs, 2001.

D. F. I. D. United Kin GB and WELL -London, GB, Water and Environmental Health at London and Loughborough, Guidance manual on water supply and sanitation programmes. London, UK: United Kingdom, Department for International Development, 1998, p. xvii, 338 p. : 20 fig., photogr., 32 tab.