1989
J. T. Visscher, E. R., Q., J. M., L., A. C., G., R. Munoz, D., V., C. H. Cruz, en G. C., G.,
“Proyecto integrado de investigacion y demostracion en filtracion lenta en arena : informe final, version resumida”. Centro Inter-Regional de Abastecimiento y Remocion de Agua, Cali, Colombia, p. 48 p.: fig., tab., 1989.
F. Kwaule,
“Public Standpost Water Supplies project overview”. Malawi, Ministry of Works and Supplies, Water Department, Lilongwe, Malawi, p. 42 p.: map., photogr., 1989.
T. E. Manning, Cefis, G., en Mencarelli, E.,
“Pulsa solar water oscillation pumps”, in
Water, engineering and development in Africa : proceedings of the 15th WEDC Conference, Kano, Nigeria, 3-7 April 1989, 1989, pp. P. 88-91: fig.
Z. Ministry o ZW,
“Pump minders”,
Marketing : how to find a market for products?. p. video (20 min.): VHS, 1989.
Cowater International -Ottawa, Ont., CA, Lahore, P. K. N. E. S. P. A. K. -, en Wardrop-Acres -Winnipeg, Man, CA,
“Punjab : strategic provincial investment plan and project preparation for rural water supply, sanitation and health : inception report”. Wardrop-Acres, Winnipeg, Man, Canada, p. ca. 150 p.: fig., tab., 1989.
Cowater International -Ottawa, Ont., CA, Lahore, P. K. N. E. S. P. A. K. -, en Wardrop-Acres -Winnipeg, Man, CA,
“Punjab : strategic provincial investment plan and project preparation for rural water supply, sanitation and health : draft investment plan”. Wardrop-Acres, Winnipeg, Man, Canada, p. xi, 81 p.: fig., tab., 1989.
L. E. Barba Ho,
QuÃmica asociada con la contaminación del agua. Cali, Colombia: Universidad del Valle, Facultad de Ingenieria, 1989, p. 175 p. : tab., photo's, map.
.
WHO -Geneva, CH, World Health Organization en Stockholm, S. E. S. I. D. A. -,
“Qualifying a manager : how the British water industry set up its Senior Management Development Programme to overcome a shortage of managerial staff”, vol. no. 8. World Health Organization, Community Water Supply & Sanitation Unit, Geneva, Switzerland, p. 32 p.: ill., 1989.
N. L. B. K. H. Consul Hague, Lahore, P. K. N. E. S. P. A. K. -, en Nijmegen, N. L. Royal Hask,
“Quetta sewerage and sanitation project : low-cost sanitation report”. BKH Consulting Engineers, The Hague, The Netherlands, p. iv, 150 p.: photogr., tab., 1989.
N. L. D. H. V. - Amersfoort, Arnhem, N. L. Euroconsul, YE, Y. Government, DGIS, D. General fo, en Maarssenbroek, N. L. Agro Visio,
“Rada water supply and sanitation project : final design report”. Euroconsult, Arnhem, The Netherlands, p. 2 vol. (viii, 138, ii, 161 p.): fig., map, tab., 1989.
P. H. Asian Deve Manila,
“Rainfed agriculture in Asia and the Pacific”. Asian Development Bank, Manila, Philippines, p. x, 644 p.: fig., tab., 1989.
P. Chindaprasirt en Upadhyay, S.,
“Rainwater cistern system training through community participation in Nepal”, in
Proceedings of the Fourth International Conference on Rain Water Cistern Systems : 2-4 August 1989, Manila, Philippines, 1989, pp. P. B5-1 - B5-13 : 8 photogr.
M. D. Hussain en Ziauddin, A. T. M.,
“Rainwater harvester-cum-shelter for the flood affected people”,
Watsan : quarterly newsletter of the NGO Forum for Drinking Water Supply & Sanitation, p. p. 3: ill., 1989.