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, pp. 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. -, y 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, y 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. -, y 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. -, y 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, y 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.
C. de Rooy,
«Outline of Unicef-assisted water and sanitation programme in Nigeria». UNICEF Water, Environment and Sanitation Section, Lagos, Nigeria, p. 11 p.: fig., map, 1989.
H. I. Karunadasa y Wijegoonewardena, S. J. P.,
«The overview and final report of the public standpost water supplies and sanitation (PSWS) project, Sri Lanka». National Water Supply and Drainage Board, Ratmalana, Sri Lanka, p. ii, 72 p.: map, photogr., tab., 1989.