1989
P. Roark y Fry, S.,
«Benin rural water supply and sanitation project : mid-term evaluation», vol. no. 252. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. x, 73 p.: fig., tab., 1989.
C. Kerr,
Community water development. London, UK: IT Publications, 1989, p. xii, 279 p.: fig., tab.
K. - K. Munguti,
«Community-level management and maintenance»,
Waterlines, an international journal of water, sanitation and waste, pp. p. 12-13, 20-21: photogr., 1989.
F. R. Vergnet - Ingre,
«A company involved in development». Vergnet SA, Ingre, France, p. Video (15 min.) + video (25 min.) : VHS, 1989.
G. Power,
«DANIDA chooses Blair pump option»,
World water, pp. p. 44-46: photogr., 1989.
C. P. Dodge,
«Debt-for-water swap : a first in Sudan»,
Waterlines, an international journal of water, sanitation and waste, pp. p. 5-8: fig., map, photogr., 1989.
E. T. U. N. I. C. E. F. - Ad Ababa, Nairobi, K. E. World Bank, y Ababa, E. T. Water Reso,
«First national hand pump workshop : proceedings of a workshop held in Addis Ababa, Ethiopia, December 14, 1989». Water Resources Commission, Addis Ababa, Ethiopia, p. ii, 79, iv p., 1989.
D. J. Hilton,
«Further development of the inclined coil pump»,
Waterlines, an international journal of water, sanitation and waste, pp. p. 20-22: fig., photogr., 1989.
«Handpump design put to the test»,
World water, p. p. 22: photogr., 1989.
P. Morgan,
«The handpump phenomenon»,
Waterlines, an international journal of water, sanitation and waste, pp. p. 2-5: photogr., 1989.
F. R. Institut T. Aubervilliers,
«Je pompe, tu pompe, l'eau au Burkina Faso». Institut Technologique Dello, Aubervilliers, France, p. 52 p.: drawing, 1989.