1991
B. J. Lloyd y Helmer, R.,
Surveillance of drinking water quality in rural areas. Harlow, UK: Longman Publishers, 1991, p. xvi, 171 p.: fig., tab., photogr.
H. A. Gondwe, Evans, P., Igogo, C., y Kruger, A.,
«The water sector programme in Rukwa : report». NORAD, Norwegian Agency for Development Cooperation, Oslo, Norway, p. 42 p. + 3 annexes (ca. 60 p.): tab., 1991.
R. Ramasubban, Singh, B., Bhatia, R., Griffin, C. C., Kim, C., y Briscoe, J.,
«Willingness to pay for water in Kerala, India». Centre for Social and Technological Change, Bombay, India, p. vii, 65 p.: 18 fig., 24 tab., 1991.
J. C. Srivastava,
«Women as handpump caretakers in rural water systems»,
Water and wastewater international, pp. p. 37, 40-42 : photogr., 1991.
1990
B. Faso. Mini BF,
«Burkina Faso : bilan de la DIEPA et perspectives», in
Quinzieme reunion du Conseil des Ministres, Ouagadougou, 19-23 fevrier 1990 : compte rendu des journees techniques, 1990, p. 16 p.: tab.
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.
F. Cleaver,
«Community maintenance of handpumps». University of Zimbabwe, Department of Rural and Urban Planning, Harare, Zimbabwe, p. 147 p.: tab., fig., 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, pp. p. 37-41.
S. Babala,
Cost analysis in rural water supply in Mbeya Region, Tanzania, vol. no. 42. Tampere, Finland: Tampere University of Technology, Institute of Water and Environmental Engineeri, 1990, p. 50 p.: fig., tab.
C. Fengshu y Lunzhang, S.,
«Country overview : People's Republic of China», in
Women and water : domestic shallow well water supplies, the family handpump scenario : proceedings of a regional seminar "Women and Water - the Family Handpump", Manila, 29 August - 1 September 1989, 1990, pp. P. 191-200 : fig.
W. Bengal (St IN, Delhi, I. N. World Bank, y IN, I. Rajiv Gand,
«Discussion paper for workshop on project strategies (October 10-12, 1990)». Rajiv Gandhi National Drinking Water Mission, New Delhi, India, p. ii, 51 p.: map, fig., tab., 1990.
J. Haratani, Webb, A. K., y C. Soyer, R.,
«Evaluacion final del proyecto de sistemas rurales de abastecimiento de agua y saneamiento ambiental Peru», vol. no. 294. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. xvi, 105 p.: chart, map, photogr., tab., 1990.
J. Haratani, Webb, A. K., y C. Soyer, R.,
«Final evaluation of the rural water systems and environmental sanitation project Peru», vol. no. 294. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. xv, 104 p.: chart, map, photogr., tab., 1990.
B. Carlsson y Drake, E.,
«Handbook for village water supply operators». Botswana, Ministry of Local Government and Lands, Unified Local Government Service, Gaborone, Botswana, p. 108 p.: ill., 1990.
S. R. A. Huttly, Feachem, R. G., Blum, D., Okoro, J. I., Akujobi, C., Kirkwood, B. R., Emeh, R. N., Okeke, N., Ajala, M., y Dosunmu-Ogunbi, O.,
«The Imo State (Nigeria) drinking water supply and sanitation project. 1 : Description of the project, evaluation methods, and impact on intervening variables»,
Transactions of the Royal Society of Tropical Medicine and Hygiene, pp. p. 309-315, 1990.