Werner, H.

Beyer, M.G., Sacher, H. & Werner, H., 1984. How useful are rural water supply programmes? : joint FRG/Unicef assessment of Unicef-assisted rural water supply projects in Bangladesh, Nepal and Burma, May 1983, New York, NY, USA: UNICEF. Available at: https://fr.ircwash.org/sites/default/files/822-2820.pdf.