V. Curtis, Chaudhary, M., Pant, P., Arora, N., Singh, S., Sinha, P., Gupta, S., and Goel, C.,
“Diarrhoea and hygiene in Lucknow slums”. London School of Hygiene and Tropical Medicine, London, UK, p. 32 p. : boxes, fig., ill., tab., 1996.
D. de Jong,
“People are at the heart of sanitation”,
Waterlines, an international journal of water, sanitation and waste, pp. p. 2-4 : 1 fig., 2 photogr., 1996.
A. F. Al-Sheikh,
Water and sanitation in Islam, vol. no. 2. Alexandria, Egypt: World Health Organization Eastern Mediterranean Regional Office, 1996, p. 27 p.