1998
H. G. Savenije en 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., en 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., en 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., en Liner, B.,
“Metric benchmarking”,
Journal American Water Works Association, pp. p. 57-62, 1998.