1991
J. Mde Azevedo Netto, Bakalian, A., Wright, A., en Otis, R.,
“Simplified sewers : a review of Brazilian experience”, presented at the 1991-01-01, Alexandria, VA, USA, 1991, p. 11 p.: 3 tab.
E. O. Mairura en Nyangeri, G. E.,
“Site conditions in infrastructure development”, in
Infrastructure for low-income communities : proceedings of the 16th WEDC conference : Regional Centre for Urban and Environmental Studies (RCUES), Osmania University, Hyderabad, India, 27-31 August, 1990, 1991, pp. P. 59-62: 3 fig.
N. A. U. N. I. C. E. F. - Windhoek en Windhoek, N. A. Namibian I.,
“A situation analysis of children and women in Namibia”. Namibian Institute for Social and Economic Research, University of Namibia, Windhoek, Namibia, p. 163 p.: 14 fig., 31 tab., 1991.
N. Ministry o NG,
“Situation report on Nigeria”, presented at the 1991-01-01, Lagos, Nigeria, 1991, p. 32 p.
I. S. Traore en Fox, J.,
“SNV - Mali”. SNV Netherlands Development Organization, Bamako, Mali, p. 20 p.: photogr., 1991.
J. Hughes,
“Soci-economic survey, willingness to pay survey”, vol. no. 4. Ghana Water and Sewerage Corporation, Tamale, Ghana, p. 20 p., 1991.
B. Mathew,
“Socio-economic aspects of water selling”,
Waterlines, an international journal of water, sanitation and waste, pp. p. 21-24: 2 tab., photogr., 1991.
Socio-Economic Units, Kerala -Trivandrum, IN,
“Socio-economic Units, Kerala, Kerala Water Authority : six-month report, April - October 1991”. Kerala Water Authority, Socio-Economic Units, Trivandrum, India, p. various paging, 1991.
A. Derrick, Francis, C., en Bokalders, V.,
Solar photovoltaic products : a guide for development workers, Rev.ed. London, UK: IT Publications, 1991, p. 127 p.: fig., ill., tab.
R. H. B. Exell,
“Solar-powered water pumping in Asia and the Pacific”. United Nations, New York, NY, USA, p. v, 55 p.: 14 fig., 8 tab., 5 maps, 1991.
A. Al-Mohani, Heederik, J. P., en van Dalfsen, W.,
“Sources for Sana'a Water Supply (SAWAS - II Project) : progress report 91-3, no. 8 : reporting period July - September 1991”. National Water and Sewerage Authority, Sana'a, Yemen, p. 6 p., 1991.
PAHO -Washington, DC, US,
“Special report : water supply and sanitation”,
Bulletin of the Pan American Health Organization, pp. p. 87-96, 1991.
C. Hafner, Campbell, D. B., en Chauvin, J.,
“Status report on GARNET”, in
Collaborative council global forum, Oslo, September 18-20, 1991 : collected papers, 1991, p. 20 p.: tab.
B. Hydbom,
“Step draw-down pumping test”, vol. no. 4. UNICEF, Copenhagen, Denmark, p. 14 p.: fig., 1991.
R. K. Siddhi en Joshi, V. R.,
“Strategies for a sanitation master plan”, in
Infrastructure, environment, water and people : proceedings of the 17th WEDC Conference, United Nations Centre for Human Settlement (Habitat), Nairobi, Kenya, 19-23 August 1991, 1991, pp. P. 97-101: 4 fig.
G. J. Alaerts, Blair, T. L., en Hartvelt, F. J. A.,
“A strategy for water sector capacity building : proceedings of the UNDP symposium, Delft, 3-5 June, 1991”, vol. 24. IHE (International Institute for Infrastructural, Hydraulic and Environmental Engineering), Delft, The Netherlands, p. 191 p. : fig., tab., 1991.
K. D. Kappus, Hopkins, D. R., Ruiz-Tiben, E., Imtiaz, R., Andersen, J., Azam, M., en Attiq, A.,
“A strategy to speed the eradication of dracunculiasis”,
World health forum, pp. p. 220-225: 3 fig., 1991.
R. G. A. Feachem, Cousens, S. N., Daniels, D. L., en Makoae, L. N.,
“A study of the association between improved sanitation facilities and children's height in Lesotho”,
European journal of clinical nutrition, pp. p. 23-32: 1 fig., 3 tab., 1991.
UN Economic Commission for Africa -Addis Ababa, ET, ECA,
“Study on large-scale water transfer in Africa”. United Nations Economic Commission for Africa (ECA), Addis Ababa, Ethiopia, p. 39, 24 p.: 3 fig., 4 tab., 1991.