1990
R. D. Kafundu et Mhone, Y. C.,
« Technology choice, operation and maintenance in water and sanitation : the Malawi experience », in
Decade consultative meeting on water supply and sanitation 1981-90 : Harare, 26-30 November 1990 : proceedings and resolutions, 1990, p. Ca. 20 p.: tab.
T. Tenzing,
« Unaccounted for water management in Greater Kathmandu », 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. 84-94 : 2 fig., tab.
D. General fo DGIS,
« Verslag 1e studiedag drinkwater- en sanitatiesector, 8 december 1989 ». Netherlands, Ministry of Foreign Affairs, DGIS, The Hague, The Netherlands, p. 26 p., 1990.
P. Ankum, Best, R., et van Leeuwen, W. J.,
« Water users association strengthening project Indonesia : report on the joint evaluation mission (June - July 1990) ». Netherlands, Ministry of Foreign Affairs, DGIS, The Hague, The Netherlands, p. ii, 109 p.: fig., tab., 1990.
CIDA -Gatineau, Que, CA, Canadian International Development Agency,
« The water utilization project : a case study on a water and health education project in northern Ghana ». Canadian International Development Agency, CIDA, Hull, Que, Canada, p. vii, 172 p.: box., ill., 1990.
1989
R. Cuevas, Flores, J. R., et Tschumi, P.,
« Abastecimiento de agua potable y saneamiento basico para la poblacion rural: un proyecto de desarrollo en marcha se presenta ». Swiss Agency for Development and Cooperation (SDC), Tegucigalpa, Honduras, p. 24 p.: fig., photogr., 1989.
F. R. Vergnet - Ingre,
« A company involved in development ». Vergnet SA, Ingre, France, p. Video (15 min.) + video (25 min.) : VHS, 1989.
G. Logsdon, Tanner, S., Grimm, M., et James, R.,
« Design and performance of slow sand filters in the Pacific Northwest ». US Environmental Protection Agency (EPA), Drinking Water Research Division, Cincinnati, OH, USA, p. 24 p.: 1 fig., 6 tab., 1989.
T. S. A. Mbwette et Wegelin, M.,
« Design, operation and maintenance considerations of horizontal flow roughing filters »,
Waterlines, an international journal of water, sanitation and waste, p. p. 27-29: fig., photogr., tab., 1989.
J. Lorentzen et Hansen, E.,
« Diagnostic assessments of operations and maintenance problems : analysis and synthesis report ». United Nations Centre for Human Settlements (UNCHS-Habitat) Urban Management Group, Nairobi, Kenya, p. 156 p.: tab., 1989.
H. N. U. N. I. C. E. F. - Tegucigalpa et Tegucigalpa, H. N. S. A. N. A. A. -,
« Estrategia de trabajo de promocion comunitaria ». Honduras, Servicio Autonomo Nacional de Acueductos y Alcantarillados, Tegucigalpa, Honduras, p. 7 p. + annexes (ca. 30 p.), 1989.
C. Martin, Piaton, H., et Vardon, P.,
« Evaluation du potentiel eolien pour l'exhaure de l'eau : vol. 1 aspects methodologiques et outils developpes ». Comite Interafricain d'Etudes Hydrauliques (CIEH), Ouagadougou, Burkina Faso, p. 200 p.: fig., tab., 1989.
National Environmental Engineering Research Institute -Nagpur, IN, NEERI,
Evaluation of water treatment plants in India : final report. Nagpur, India: National Environmental Engineering Research Institute, NEERI, 1989, p. iv, 459 p.: fig., photogr., tab.
E. T. U. N. I. C. E. F. - Ad Ababa, Nairobi, K. E. World Bank, et Ababa, E. T. Water Reso,
« First national hand pump workshop : proceedings of a workshop held in Addis Ababa, Ethiopia, December 14, 1989 ». Water Resources Commission, Addis Ababa, Ethiopia, p. ii, 79, iv p., 1989.
J. H. P. M. Tacke et Verspuy, C.,
« Hydraulic rams ». Delft University of Technology, CICAT, Delft, The Netherlands, p. 12 p.: fig., 1989.
CEHA -Amman, JO, WHO/EMRO Regional Centre for Environmental Health Activities et Water, Engineering and Development Centre -Loughborough, GB, WEDC,
« Maintenance and operation of rural water supply and sanitation systems ». Water, Engineering and Development Centre, Loughborough University of Technology, WEDC, Loughborough, UK, p. 17 modules (ca. 200 p.): fig. , tab., 1989.