1997
E. C. Enkerlin, Cano, G., Garza, R. A., and Vogel, E.,
Ciencia ambiental y desarrollo sostenible. Mexico City, Mexico: S.n., 1997, p. 708 p. : tab., photos.
U. Directorat UG,
“Community contribution and collection guide”. Uganda, Ministry of Natural Resources, Directorate of Water Development, Kampala, Uganda, p. 16 p., 1997.
K. Bhattacharyya, Freund, P., Amde, W., and Teshome, D.,
“Community demand study for the essential services for health in Ethiopia project”. Basic Support for Institutionalizing Child Survival (BASICS), Arlington, VA, USA, p. xviii, 40 p. + annexes (6 p.) : tab., 1997.
U. - UG,
“Community information handbook”. Government of Uganda, Kampala, Uganda, p. 37 p. : ill., tab., 1997.
“Community well rope pump manual of technical drawings”,
[Documents on the technology transfer of the rope pump]. p. ca. 60 p. : tech. drwngs., 1997.
A. Cotton and Sohail, M.,
“Community-partnered procurement : a socially sensitive option”,
Waterlines, an international journal of water, sanitation and waste, pp. p. 24-26 : 2 boxes, 3 photogr., 1997.
F. Ramirez,
Cómo ganar la guerra a las basuras. Bogota, Colombia: S.n., 1997, p. 212 p. : tab., graphics.
G. A. McFeters, Broadaway, S. C., Pyle, B. H., Pickett, M., and Egozy, Y.,
“Comparative performance of Colisure”,
Journal American Water Works Association, 1997.