O. M. Middle Eas Muscat,
« Watermark ». Middle East Desalination Research Center, Muscat, Oman.
P. Ailey,
« The watermen ». Thames Water, London, UK, p. 4 p.: ill.
N. L. V. E. W. I. N. - Rijswijk,
« Waterspiegel ». Vereniging van Exploitanten van Waterleidingbedrijven in Nederland (VEWIN), Rijswijk, The Netherlands.
WBI learning resources series. Washington, DC, USA: World Bank Institute.
Water, Engineering and Development Centre -Loughborough, GB, WEDC,
« WEDC bulletin ». Water, Engineering and Development Centre, Loughborough University of Technology, WEDC, Loughborough, UK.
Water, Engineering and Development Centre -Loughborough, GB, WEDC,
« WEDC Fact sheet [Water, Engineering and Development Centre] ». Water, Engineering and Development Centre, Loughborough University of Technology, WEDC, Loughborough, UK.
A WEDC MSc Study in International Development. Loughborough, UK: Water, Engineering and Development Centre, Loughborough University of Technology, WEDC.
« WELL study ». Water and Environmental Health at London and Loughborough (WELL), Loughborough, UK.