1990
I. L. Nyumbu, Scott, M., Seager, M., and Wang, C.,
“Agua potable y saneamiento : manual de principios y metodos financieros”. World Health Organization, Community Water Supply & Sanitation Unit, Geneva, Switzerland, p. iv, 100 p.: fig., 1990.
I. L. Nyumbu, Scott, M., Seager, M., and 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.
F. Cleaver,
“Community maintenance of handpumps”. University of Zimbabwe, Department of Rural and Urban Planning, Harare, Zimbabwe, p. 147 p.: tab., fig., 1990.
J. Narrowe, Poluha, E., Engstrand, G., Idemalm, A., and Melchert, J.,
Concern and responsibility : an evaluation of the Dodota Water Supply Project in Ethiopia, vol. no. 1990/1. Stockholm, Sweden: SIDA, Swedish International Development Cooperation Agency, 1990, p. 75 p.
W. Getachew,
Disinfection practices in urban water supply in Ethiopia, vol. no. 45. Tampere, Finland: Tampere University of Technology, Institute of Water and Environmental Engineeri, 1990, p. 73 p.: 27 fig., 14 tab.
L. A. van Duijl and van Goor, H. G. M.,
“Drainage study of Beng Salang Drainage Basin, Phnom-Penh, Cambodia”. IHE (International Institute for Infrastructural, Hydraulic and Environmental Engineering), Delft, The Netherlands, p. 108 p.: 21 fig., 10 tab., 1990.
J. Bartram,
Drinking water supply surveillance. Guildford, UK: University of Surrey, Robens Institute, 1990, p. 14 p.: fig., photogr.
C. de Jong-Boon,
“Environmental problems in Sudan : a reader”. Institute of Social Studies, Research and Project Office, The Hague, The Netherlands, p. 2 vol. (xxi, 819 p.): fig., map, tab., 1990.
N. C. Thanh and Biswas, A. K.,
Environmentally-sound water management. New Delhi, India: Oxford University Press, 1990, p. : fig., tab.
F. L. Requena and J. Arboleda, V.,
“Final evaluation of the Bolivian savings and loan system water and sanitation project”, vol. no. 315. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. xi, 52 p.: photogr., tab., 1990.
R. Bos,
“Incorporating institutional and legal requirements”,
Waterlines, an international journal of water, sanitation and waste, pp. p. 23-27: photogr., 1990.
T. Katko, Hukka, J., and 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.
J. K. Jordan,
Maintenance management. Denver, CO, USA: American Water Works Association, 1990, p. v, 106 p.: fig.