1990
S. Arafa et Cotis, M. C.,
« Solar disinfection of water in rural communities », in
Solar water disinfection : proceedings of a workshop held at the Brace Research Institute, Montreal, Que., Canada, 15-17 August 1988, 1990, p. P. 90-103: fig., tab.
S. Koottatep, Tiyaporn, S., Kijjanapanich, V., et Karnjanawong, S.,
« Solar water disinfection : experiences in Thailand », in
Solar water disinfection : proceedings of a workshop held at the Brace Research Institute, Montreal, Que., Canada, 15-17 August 1988, 1990, p. P. 75-89: fig., tab.
G. Baldi,
« Solar water disinfection in Peru », in
Solar water disinfection : proceedings of a workshop held at the Brace Research Institute, Montreal, Que., Canada, 15-17 August 1988, 1990, p. P. 44-65: fig., tab.
T. A. Lawand, Alward, R., Odeyemi, O., Hahn, J., Kandpal, T. C., et Ayoub, J.,
« Solar water disinfection : proceedings of a workshop held at the Brace Research Institute, Montreal, Que., Canada, 15-17 August 1988 », vol. 231e. International Development Research Centre (IDRC), Ottawa, Ont, Canada, p. 239 p.: fig., tab., 1990.
J. Hahn,
« Solar water purification : annotated bibliography, directory, and glossary », in
Solar water disinfection : proceedings of a workshop held at the Brace Research Institute, Montreal, Que., Canada, 15-17 August 1988, 1990, p. P. 184-237.
J. Zapp, Santacruz, J., Moncayo, J. I., Montes, M. L., et Hernandez, N.,
« Solar water purification in Colombia », in
Solar water disinfection : proceedings of a workshop held at the Brace Research Institute, Montreal, Que., Canada, 15-17 August 1988, 1990, p. P. 66-74: tab.
T. Woto, Yates, R., et Tlhage, J. T.,
Solar-powered desalination : a case study from Botswana, vol. 65e. Ottawa, Ont, Canada: International Development Research Centre (IDRC), 1990, p. viii, 55 p.: fig., tab., photogr.
S. B. Thapa et Spreen, E.,
« Solid waste management with people's participation : posters of a cooperation project ». Solid Waste Management and Resource Mobilization Centre, Kathmandu, Nepal, p. 35 p.: mainly photogr., 1990.
CIDA -Gatineau, Que, CA, Canadian International Development Agency, Stockholm, S. E. S. I. D. A. -, et UNICEF -New York, NY, US,
« Southwest integrated health and water programme : mid term evaluation report ». S.n., S.l., p. 57 p.: fig., tab., 1990.
E. Nissen-Petersen et Lee, M.,
« Spring protections », vol. no. 6. ASAL Rainwater Harvesting, Nairobi, Kenya, p. iii, 29 p.: fig., 1990.
L. K. Sarvodaya Moratuwa,
« SRTS project report 1990 ». Sarvodaya Rural Technical Services, Moratuwa, Sri Lanka, p. 45 p. + annexes : fig., photogr., tab., 1990.
N. Ministry o NP,
« Standardization for rural water supply systems ». Nepal, Department of Water Supply and Sewerage, Regional Directorate, Kathmandu, Nepal, p. xi, 22 p.: fig., tab., 1990.
A. M. Wright,
« Strategic sanitation planning », vol. no. WS-1. World Bank, Infrastructure and Urban Development Department, Washington, DC, USA, p. 2 p.: fig., 1990.
S. Fry, Brahmam, S., Joseph, E., et Burns, J.,
« Strategies for linking water and sanitation programs to child survival », vol. no. 65. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. 65 p., 1990.
D. T. Lauria,
« Strategy for planning periurban water systems : a case study from Guatemala », vol. no. 310. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. vi, 55 p.: fig., tab., 1990.
H. J. McPherson et Livingstone, A.,
« A strategy for sustainability of rural water supplies in the Sudan », 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. 17-31.