1991
P. Tschumi,
“Monitoring and evaluating a project's effectiveness”,
Waterlines, an international journal of water, sanitation and waste, pp. p. 25-28: 3 fig., 2 photogr., 1991.
G. H. Ghana Wate Accra and London, G. B. WaterAid -,
“NGOs, the district and water as an entry point : a WaterAid conference on rural water provision focusing on the decentralised district structure : held at Elmina, Ghana, March 7-11 1991”, vol. III. WaterAid, London, UK, p. 77 p.: 1 fig., 1 photogr., 3 tab., 1991.
N. G. N. E. S. T. - Ibadan,
Nigeria's threatened environment : a national profile. Ibadan, Nigeria: Nigerian Environmental Study / Action Team, 1991, p. vi, 288 p.: fig., photogr., tab.
M. H. A. Wegelin-Schuringa,
“On-site sanitation : building on local practice”, vol. no. 16-E. IRC, The Hague, The Netherlands, p. 74 p.: fig., tab., 1991.
N. O. N. O. R. A. D. - Oslo,
“Plan of operation for NORAD assistance to the government of Zimbabwe”. NORAD, Norwegian Agency for Development Cooperation, Oslo, Norway, p. 2 vols. : fig., tab., 1991.
A. M. El Hadi and SD, K. Sugar Comp,
“Portable water treatment plant”, 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. 163-165: 1 fig., 2 photogr.
J. M. Erskine,
“Rain water harvesting systems in Southern Africa”, in
Rainwater catchment for future generations : proceedings of the 5th International Conference on Rain Water Cistern Systems, Keelung, Taiwan, 4-10 August 1991, 1991, pp. P. 574-585.
T. Lium,
“Recommendations on a future water supply and sanitation policy for Namibia”. Namibia, Department of Water Affairs, Water Supply and Sanitation Policy Committee, Windhoek, Namibia, p. 138 p.: tab., 1991.
E. Opong, Addom, V., and Asante, E.,
“Report on the 1st district project start-up workshop held at Sekyere West District, Mampong-Ashanti : February 18-22, 1991”. World Vision International, p. 66 p.: 1 map., tab., 8 photogr., 1991.
A. Wilson,
“Rural areas water and sanitation 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. 125-128: map.
UNDP -New York, NY, US and UNDTCD -New York, NY, US,
“Schema directeur pour le secteur eau et assainissement”. UNDP (United Nations Development Programme), New York, NY, USA, p. 2 vol. (vi, 98 p ; ca. 120 p.): fig., tab., maps, 1991.
N. Ministry o NG,
“Situation report on Nigeria”, presented at the 1991-01-01, Lagos, Nigeria, 1991, p. 32 p.
R. K. Siddhi and 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.
R. Rojas, Lloyd, B. J., Wheeler, D., Pardon, M., Wedgwood, K., and Bartram, J.,
Surveillance and improvement of Peruvian drinking water supplies. Guildford, UK: University of Surrey, Robens Institute, 1991, p. xii, 54 p.: fig., tab., photogr.
E. Kijne,
“Training cum planning workshop on objective oriented project planning : mission report”. Management for Development Foundation, Ede, The Netherlands, p. 46 p.: tab., map, photogr., 1991.