H. Christensen, Gray, K., Kleemeier, E., Loft, M., and Schaumburg-Mueller, H.,
“Evaluation report : drinking water projects in India”. DANIDA, Ministry of Foreign Affairs, Copenhagen, Denmark, p. : 4 fig., 19 tab., 1991.
W. D. G. Lawn, Morris, N. G., and Newbury, D. R.,
“Integrated approach to infrastructural development”, 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. 85-88: 2 fig.
J. B. M. Chimedza,
“Integrated approach to rural development”, 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. 115-118: 1 map, 3 tab.
UNDTCD -New York, NY, US,
“Integrated water resources planning”. United Nations Department of Technical Co-operation for Development, New York, NY, USA, p. iii, 128 p.: fig., tab., 1991.
A. Kruger and Lunoe, B.,
“Kigoma water programme : inspection report”. NORAD, Norwegian Agency for Development Cooperation, Oslo, Norway, p. v, 94, 66 p.: fig., tab., 1991.
D. McNeill, Lium, T., Boot, M. T., and Gleditsch, M. M.,
“Proposal for continued Norwegian support to the National Rural Water Supply and Sanitation Programme Zimbabwe : report of the appraisal mission”. NORAD, Norwegian Agency for Development Cooperation, Oslo, Norway, p. 44 p. + 8 annexes: tab., fig., 1991.