1990
K. Mueller,
“Community water supply and sanitation programme Western Region : annual report 1989/90”. Helvetas, Swiss Association for Development and Cooperation, Pokhara, Nepal, p. 28 p. + 22 p. ann.: tab., 1990.
J. Narrowe, Poluha, E., Engstrand, G., Idemalm, A., and Melchert, J.,
Concern and responsibility : an evaluation of the Dodota Water Supply Project in Ethiopia, vol. no. 1990/1. Stockholm, Sweden: SIDA, Swedish International Development Cooperation Agency, 1990, p. 75 p.
R. Stellinga,
De omgekeerde weg : technologie in ontwikkelingsprojekten, vol. no. 4. Amsterdam, The Netherlands: Centre for Research on Multinational Corporations, 1990, p. 84 p.
U. Ministry o UG, Copenhagen, D. K. D. A. N. I. D. A. -, UG, U. Ministry o, UG, U. Ministry o, and UG, U. Ministry o,
“The district action committee”. Uganda, Ministry of Water and Mineral Development, Kampala, Uganda, p. 18 p.: drawing, 1990.
L. F. Requena and de la Parra, C.,
“Environmental assessment of the public services improvement project component III - water supply, sanitation and health : El Salvador”, vol. no. 299. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. xii, 97 p.: photogr., 1990.
U. Winblad and Nordberg, E.,
“Environmental hygiene in SIDA-supported programmes in Africa : review and recommendations”. SIDA, Swedish International Development Cooperation Agency, Stockholm, Sweden, p. 69 p.: fig., tab., 1990.
B. Kamp, Rolot, D., Nditabiriye, D., Naveau, H., and Nyns, E. - J.,
“Etat et perspectives de la biomethanisation en milieu rural burundais. Pt. 2”,
Echos du COTA, pp. p. 20-24: fig., 1990.
J. Haratani, Webb, A. K., and C. Soyer, R.,
“Evaluacion final del proyecto de sistemas rurales de abastecimiento de agua y saneamiento ambiental Peru”, vol. no. 294. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. xvi, 105 p.: chart, map, photogr., tab., 1990.
P. Roark,
“Evaluation guidelines for community-based water and sanitation projects”, vol. no. 64. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. v, 80 p., 1990.