1998
H. G. Savenije y van der Zaag, P.,
«The management of shared river basins : experiences from SADC and EU», vol. no. 8. Netherlands, Ministry of Foreign Affairs, NEDA, The Hague, The Netherlands, p. 164 p. : boxes, fig., maps, 1998.
X. E. Orellana P., Martinez, J. A., y Izaguirre, R.,
«Manual guia sobre agua y saneamiento para juntas de agua». Unidad Ejecutora de Barrios Marginales, SANAA, Tegucigalpa, Honduras, p. 30 p. : ill., 1998.
S. E. S. I. D. A. - Stockholm,
«Manual on financial management and accounting system for piped water supplies». SIDA, Swedish International Development Cooperation Agency, Stockholm, Sweden, p. ii, 22 p. + annexes (ca. 20 p.), 1998.
S. E. S. I. D. A. - Stockholm,
«Manual on meter-based water management system». SIDA, Swedish International Development Cooperation Agency, Stockholm, Sweden, p. 34 p. : fig., ill., tab., 1998.
S. E. S. I. D. A. - Stockholm,
«Manual on price and tariff setting for piped water supplies». SIDA, Swedish International Development Cooperation Agency, Stockholm, Sweden, p. i, 26 p. : fig., tab., 1998.
R. Sawyer, Simpson-Hebert, M., y Wood, S.,
«Manuel progressif PHAST : approche participative pour la lutte contre les maladies diarrheique», vol. no. 2. World Health Organization (WHO), Geneva, Switzerland, p. 6 HTML files : fig., ill., tab., 1998.
L. Blankenship, Olstein, M., y Liner, B.,
«Metric benchmarking»,
Journal American Water Works Association, pp. p. 57-62, 1998.