1998
R. A. Lidonde and Obel-Lawson, E.,
“Prospective review of participatory hygiene and sanitation transformation (PHAST) : March - April, 1998”. UNDP-World Bank, Regional Water and Sanitation Group Eastern and Southern Africa, Nairobi, Kenya, p. viii, 50 p. : boxes, photogr., 1998.
Z. Ministry o ZW and United Nations Department of Economic and Social Affairs -New York, NY, US,
“Report of the expert group meeting on strategic approaches to freshwater management : Harare, Zimbabwe, 27 - 30 January 1998”. United Nations, New York, NY, USA, p. ca. 250 p., 1998.
UN-HABITAT -Nairobi, KE, United Nations Human Settlements Programme, UNDP -New York, NY, US, and ZA, S. Africa. De,
Report of the international consultations on partnership in the water sector for cities in Africa : Cape Town, South Africa, 8 - 10 December 1997. Nairobi, Kenya: UN-Habitat, United Nations Centre for Human Settlements, 1998, p. ix, 290 p. : boxes, fig., tab.
WHO -Geneva, CH, World Health Organization,
“Report of the inter-regional consultation on environmental health, New Delhi, India, 9-13 February 1998”. World Health Organization (WHO), Geneva, Switzerland, p. 30 p. + annexes (ca. 150 p.) : tab., 1998.
H. G. Savenije, Heun, J. C., and Agel, F. F. Porte,
“Roleplay water demand management”, vol. Vol. 111. IHE (International Institute for Infrastructural, Hydraulic and Environmental Engineering), Delft, The Netherlands, p. iv, 16 p. : tabs., 1998.
S. P. Singh,
“Sulabh sanitation movement : vision-2000 plus”. Sulabh International Social Service Organisation, New Delhi, India, p. xv, 408 p. : photogr., 1998.
P. Huisman,
Water in the Netherlands, vol. no. 3. Delft, The Netherlands: Netherlands Hydrological Society (NHV), 1998, p. 186 p. : fig., maps, photogr.
Z. A. South Afri Development,
“The white paper on local government [South Africa]”, vol. no. 1. South Africa, Department of Constitutional Development, Pretoria, South Africa, p. 120 p. : fig., tab., 1998.