R. Cuevas, Flores, J. R., en Tschumi, P.,
“Abastecimiento de agua potable y saneamiento basico para la poblacion rural: un proyecto de desarrollo en marcha se presenta”. Swiss Agency for Development and Cooperation (SDC), Tegucigalpa, Honduras, p. 24 p.: fig., photogr., 1989.
USAID -Washington, DC, US,
“AID evaluation handbook”, vol. no. 7. USAID, Washington, DC, USA, p. v, 64 p.: tab., 1989.
D. E. G. T. Z. - Eschborn,
“Community participation and hygiene education in water supply and sanitation (CPHE)”, vol. no. 1 , 2 , 3 , 4 , 5. Deutsche Gesellschaft fur Technische Zusammenarbeit (GTZ), Eschborn, Germany, p. various paging: fig., photogr., tab., 1989.
K. Kumar,
“Conducting key informant interviews in developing countries”, vol. no. 13. USAID, Washington, DC, USA, p. vi, 37, 3 p.: box, 1989.
A. Wyatt,
“Guidelines for maintenance management in water and sanitation utilities in developing countries”, vol. no. 63. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. viii, 207 p.: fig., 1989.
D. Narayan-Parker,
“Indonesia : evaluating community management : a case study”. UNDP PROWWESS (Promotion of the Role of Women in Water Supply and Sanitation), New York, NY, USA, p. 47 p.: map, tab., photogr., 1989.
M. Bamberger en Ahmed, V.,
Monitoring and evaluating development projects : the South Asian experience. Washington, DC, USA: World Bank, Economic Development Institute, 1989, p. viii, 91 p.: tab.