1989
N. - NP et Helsinki, F. I. F. I. N. N. I. D. A. -,
« Nepal Rural Water Supply and Sanitation Project in the Western Development Region : phase I 1990 - 1993 ». FINNIDA, Ministry of Foreign Affairs, Helsinki, Finland, p. vi, 41 p.: fig., map, tab., 1989.
D. General fo DGIS,
The Netherlands and the Third World : rural development. The Hague, The Netherlands: Netherlands, Ministry of Foreign Affairs, DGIS, Information Department, 1989, p. 47 p.: photogr.
K. Wedgwood,
« Nicaragua : rural water quality surveillance and improvement »,
Waterlines, an international journal of water, sanitation and waste, p. p. 20-23: tab. , ill., 1989.
N. Young,
Nicaragua : testing the water : from village wells to national plan. London, UK: Catholic Institute for International Relations, 1989, p. 60 p.: fig., photogr., tab.
« no. 1 »,
Watsan : quarterly newsletter of the NGO Forum for Drinking Water Supply & Sanitation. 1989.
« no. 117 »,
The Courier. 1989.
« no. 18 »,
Appropriate Technology International bulletin. 1989.
« no. 43 (1989). Women and water 3: who decides? »,
The tribune : a women and development quarterly. 1989.
« no. 76 »,
Bulletin de liaison du Comite Interafricain d'Etudes Hydrauliques. 1989.
Cowater International -Ottawa, Ont., CA, Lahore, P. K. N. E. S. P. A. K. -, et Wardrop-Acres -Winnipeg, Man, CA,
« Northern areas : strategic provincial investment plan and project preparation for rural water supply, sanitation and health : inception report ». Wardrop-Acres, Winnipeg, Man, Canada, p. ca. 90 p.: fig., tab., 1989.
Cowater International -Ottawa, Ont., CA, Lahore, P. K. N. E. S. P. A. K. -, Islamabad, P. K. Developmen, et Wardrop-Acres -Winnipeg, Man, CA,
« Northern Areas : strategic provincial investment plan and project preparation for rural water supply, sanitation and health : final strategic investment plan ». Wardrop-Acres, Winnipeg, Man, Canada, p. 2 vol. (xxvi, 137 p. ; ca. 128 p.): fig., tab., 1989.
Cowater International -Ottawa, Ont., CA, Lahore, P. K. N. E. S. P. A. K. -, et Wardrop-Acres -Winnipeg, Man, CA,
« NWFP : strategic provincial investment plan and project preparation for rural water supply, sanitation and health : inception report ». Wardrop-Acres, Winnipeg, Man, Canada, p. ca. 160 p.: fig., tab., 1989.
Cowater International -Ottawa, Ont., CA, Lahore, P. K. N. E. S. P. A. K. -, et Wardrop-Acres -Winnipeg, Man, CA,
« NWFP : strategic provincial investment plan and project preparation for rural water supply, sanitation and health : final strategic investment plan ». Wardrop-Acres, Winnipeg, Man, Canada, p. 2 vol. (xii, 213 p. ; ca. 140 p.): fig., tab., 1989.
N. L. Euroconsul Arnhem, Khartoum, S. D. National U., SD, S. Ministry o, et DGIS, D. General fo,
« Nyala and El Geneina water supply project phase 3 : upgrading, extension and consolidation : project proposal ». Euroconsult, Arnhem, The Netherlands, p. ii, 61 p.: 11 fig., 15 tab., 1989.
J. Hodgkin,
« Operation and maintenance of rural water supplies in the Yemen Arab Republic », vol. no. 259. Water and Sanitation for Health Project (WASH), Washington, DC, USA, p. viii, 103 p.: fig., ill., tab., 1989.
C. Polprasert,
Organic waste recycling. Chichester, UK: Wiley, 1989, p. xiv, 357 p.: fig., tab.