1990
Rand Urban Government,
« Annual report 1988/89 for the rural water supply and sanitation sector ». Zimbabwe, Ministry of Local Government, Rural and Urban Development, Harare, Zimbabwe, p. 43 p.: tab., 1990.
F. W. Odera, Karanja, J. N., et Ombai, M.,
« The approach for sustainable rural water supply in Nyanza province, Kenya », presented at the 1990-01-01, Kisumu, Kenya, 1990, p. 76 p. : fig., map, tab.
I. L. Nyumbu, Scott, M., Seager, M., et Wang, C.,
« Approvisionnement public en eau et assainissement : principes et methodes de gestion financiere manuel ». World Health Organization, Community Water Supply & Sanitation Unit, Geneva, Switzerland, p. iv, 100 p.: fig., 1990.
E. P. de Jong,
Arbeidsovereenkomst. Deventer, The Netherlands: Kluwer, 1990, p. 3 vol. (various paging): loose-leaf.
M. Birley,
« Assessing the environmental health impact : an expert system approach »,
Waterlines, an international journal of water, sanitation and waste, p. p. 12-16: fig., photogr., 1990.
R. Semkow et Bessalel, M. M.,
« Assessment of solid waste management in Port-au-Prince, Haiti », vol. no. 292. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. xi, 75 p.: fig., photogr., tab., 1990.
M. Katakweba,
Bamboo as an alternative pipe material for rural water supply in Tanzania, vol. no. 43. Tampere, Finland: Tampere University of Technology, Institute of Water and Environmental Engineeri, 1990, p. 55 p., app. 11 p.: fig., tab.
B. F. C. I. E. H. - Ouagadougou,
« Benin : bilan de la DIEPA », in
Quinzieme reunion du Conseil des Ministres, Ouagadougou, 19-23 fevrier 1990 : compte rendu des journees techniques, 1990, p. 15 p.: tab.
R. Hopman, van Beek, C. G. E. M., Janssen, H. M. J., et Puijker, L. M.,
« Bestrijdingsmiddelen en drinkwatervoorziening in Nederland », vol. no. 113. KIWA, Nieuwegein, The Netherlands, p. 251 p. + 26 p. app.: fig., tab., 1990.