Ouano, E.A.R. and Cairncross, S., Surface water drainage for low-income communities. Geneva, Switzerland: World Health Organization (WHO), 1991, p. v, 88 p.: fig., photogr., tab.

Brugge, M. ter, “Humane internationalism in action : a comparative analysis of Dutch and Swedish bilateral official development assistance in relationship to rural drinking water programmes in India”. University of Amsterdam, Amsterdam, The Netherlands, p. iii, 245 p.: tab., 1990.

WHO -Geneva, CH, World Health Organization, “The International Drinking Water Supply and Sanitation Decade : review of decade progress (as at December 1988)”. World Health Organization, Community Water Supply & Sanitation Unit, Geneva, Switzerland, p. 135 p.: fig., tab., 1990.

Katko, T., 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.

Mukherjee, N., “People, water and sanitation : what they know, believe and do in rural India”, New Delhi, India: Rajiv Gandhi National Drinking Water Mission, 1990, p. 40 p.: fig., photogr.

UNICEF -New York, NY, US, “Unicef assistance to the people of Nepal in the water supply and sanitation sector : 1990 status report : part 1: sector overview”. UNICEF, Kathmandu, Nepal, p. ix, 68 p. + 33 p. ann.: fig., tab., 1990.

UNICEF -New York, NY, US, “Urban example : prospective for the future : water supply and sanitation to urban marginal areas of Tegucigalpa, Honduras”. UNICEF, New York, NY, USA, p. 31 p.: photogr., 1990.

Veldkamp, D., Recommended practices for testing water-pumping windmills, vol. no. 100. Washington, DC, USA: World Bank, 1989, p. x, 26 p.: fig.

UNICEF Regional Office for South Central Asia -New Delhi, IN and Indian Market Research Bureau -Delhi, IN, “Water, environment and sanitation : a report on knowledge, attitude, and practices study in rural India : influencers”. UNICEF Regional Office for South Central Asia, New Delhi, India, p. 84 p.: fig., tab., 1989.

UNICEF Regional Office for South Central Asia -New Delhi, IN and Indian Market Research Bureau -Delhi, IN, “Water, environment and sanitation : a report on knowledge, attitudes and practices study in rural India : beneficiaries”. UNICEF Regional Office for South Central Asia, New Delhi, India, p. 131 p.: fig., tab., 1989.

UNICEF Regional Office for South Central Asia -New Delhi, IN and Indian Market Research Bureau -Delhi, IN, “Water, environment and sanitation : report of quantitative phase of knowledge, attitudes and practises study in rural India : phase III”. UNICEF Regional Office for South Central Asia, New Delhi, India, p. 192, xvi p.: fig., tab., 1989.

UNICEF Regional Office for South Central Asia -New Delhi, IN and Indian Market Research Bureau -Delhi, IN, “Water, environment and sanitation : report on qualitative phase of knowledge, attitudes and practices study - implementors”. UNICEF Regional Office for South Central Asia, New Delhi, India, p. 87 p.: fig., tab., 1989.

National Corporation for the Development of Rural Water Resources -Khartoum, SD and TNO-DGV Institute of Applied Geoscience -Delft, NL, “Water resources assessment and development project in the Sudan (WADS). Appendix H : Manual for extension workers”. TNO Institute for Applied Geoscience, Delft, The Netherlands, p. 149 p., 1989.