1990
C. Bartone, Bernstein, J. D., y Wright, F.,
«Investments in solid waste management : opportunities for environmental improvement», vol. WPS405. World Bank, Policy, Research and External Affairs Complex, Washington, DC, USA, p. v, 85 p.: 6 fig., 5 tab., 1990.
T. Katko, Hukka, J., y Seppala, O.,
«Kenya water sector : discussion paper». Tampere University of Technology, Institute of Water and Environmental Engineeri, Tampere, Finland, p. 95 p.: fig., tab., 1990.
K. E. Kefinco - Kakamega, Helsinki, F. I. F. I. N. N. I. D. A. -, y KE, K. Ministry o,
«Kenya-Finland Western Water Supply Programme : annual report Jul 89 - Jun 90». Kefinco, Helsinki, Finland, p. 42 p. + annexes (ca. 70 p.) : fig., tab., 1990.
J. K. Jordan,
Maintenance management. Denver, CO, USA: American Water Works Association, 1990, p. v, 106 p.: fig.
J. Christmas,
«Management by monitoring : the water and sanitation sector», 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. 10 p.
B. Department BT,
«Manual on operation and maintenance of gravity flow water system». Bhutan, Department of Works and Housing, Public Health Engineering Division, Thimphu, Bhutan, p. 67 p. : drwngs, 1990.
S. A. Loomis,
«Pre-implementation workshop for the water and sanitation for health and Ecuadorian development project, November 29-December 1, 1989», vol. no. 288. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. viii, 70 p.: tab., 1990.
Z. Ministry o ZW,
«Project management handbook for water supply and sanitation projects». Zimbabwe, Department of Environmental Health Services, Harare, Zimbabwe, p. 136 p.: fig., 1990.
H. A. Mengers, Sarma, S., y D'Cruz, M.,
«Research on community based public-private partnership in the effective management of urban infrastructure», vol. no. 5. Human Settlement Management Institute, New Delhi, India, p. 204 p.: fig., tab., 1990.
N. L. D. H. V. - Amersfoort, Arnhem, N. L. Euroconsul, y Maarssenbroek, N. L. Agro Visio,
«Short-term mission to Rada water supply and sanitation project and Dhamar health improvement and waste disposal project : inventory of training institutes in the Yemen Republic». Euroconsult, Arnhem, The Netherlands, p. 16 p. + annexes (ca. 45 p.): fig., tab., 1990.
S. Fry, Brahmam, S., Joseph, E., y 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.
C. Wanjala,
«Syllabus for well committees' seminar». Kefinco, Helsinki, Finland, p. 39 p. : drwng., 1990.
H. van Wichen,
«Village water supply project : education manual». Zambia, Department of Water Affairs, Solwezi, Zambia, p. 32 p. : ill., 1990.
P. Roark y Brahmam, S.,
«Water supply and sanitation program design for NGOs in Haiti», vol. no. 297. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. ix, 62 p.: fig., map, tab., 1990.