1990
I. N. U. N. I. C. E. F. - Ne Delhi,
« The challenge ». UNICEF, New Delhi, India, p. video (4 min.): VHS, 1990.
C. Hannan-Andersson,
« The challenge of measuring gender issues in water and sanitation », in
Workshop on goals and indicators for monitoring and evaluation for water supply and sanitation, 25-29 June 1990, Geneva, WHO : [papers and background materials], 1990, p. 36 p.
I. L. Nyumbu et Seager, M.,
« The challenge of sustainable development in community water supply and sanitation », in
Water in Africa - the next decade : 4th African Water Technology Conference, 20-22 February 1990, Kenyatta International Conference Centre, Nairobi, Kenya, 1990, p. p. 3-10 : fig.
D. Omambia,
« Changing sanitation practices : a socio-cultural approach », in
Society, environment and health in low-income countries, 1990, p. P. 128-135.
S. West, Lynch, M., McCauley, A. P., et Pounds, M. B.,
« Changing water-use patterns in a water-poor area : lessons for a trachoma intervention project »,
Social science and medicine, p. p. 1233-1238, 1990.
C. K. Sharma,
« Chemical pollution of the soil and groundwater in the Kingdom of Nepal », vol. no. 173. IAHS Press, Institute of Hydrology, Wallingford, UK, p. p. 391-397: 3 fig., 4 tab., 1990.
I. N. Voluntary Delhi,
« Child In Need Institute ». Voluntary Health Association of India, New Delhi, India, p. 3 films (16, 15, 15 min.): VHS, 1990.
R. G. Feachem, Mertens, T. E., Fernando, M. A., Cousens, S. N., Kirkwood, B. R., et Marshall, T. Fde C.,
« Childhood diarrhoea in Sri Lanka : a case-control study of the impact of improved water sources »,
Tropical medicine and parasitology, p. p. 98-104: 4 tab., 1990.
N. L. Tearfund H. Driebergen,
« Christians in urban development ». Tearfund Holland, Driebergen-Rijsenburg, The Netherlands, p. 48 p. : fig., 1990.
deCoura S. Cuentro et Gadji, D. Malla,
« The collection and management of household garbage », in
The poor die young : housing and health in Third World cities, 1990, p. P. 169-188 : tab.
E. Zwart,
« Collection of reports on health education programme activities ». Yemen, Ministry of Electricity and Water, Dhamar, Yemen, p. 134 p., 1990.
N. Bosma,
« Communication approaches in rural water supply programs », vol. no. 32. IHE (International Institute for Infrastructural, Hydraulic and Environmental Engineering), Delft, The Netherlands, p. 72, 34 p.: fig., 1990.
B. Cuenya, Almada, H., Armus, D., Castells, J., Di Loreto, M., et Penalva, S.,
« Community action to address housing problems : the case of San Martin in Buenos Aires, Argentina », in
The poor die young : housing and health in Third World cities, 1990, p. P. 25-55: tab., map.
C. Kerr,
Community health and sanitation. London, UK: IT Publications, 1990, p. xii, 317 p.: fig., tab.
F. Cleaver,
« Community maintenance of handpumps ». University of Zimbabwe, Department of Rural and Urban Planning, Harare, Zimbabwe, p. 147 p.: tab., fig., 1990.
CARE -New York, NY, US,
« Community management enhancement workshop, May 6-17, 1990, Sohag, Egypt ». CARE, New York, NY, USA, p. 76 p.: drawing, 1990.
G. Yanore,
« Community management of rural water supplies by the Ghana Water and Sewerage Corporation », in
Proceedings of the meeting of the Operation and Maintenance Working Group : Geneva, 19-22 June 1990. Volume 2. Case studies on operation and maintenance of rural and urban water supply systems, 1990, p. p. 37-41.