J. M. Kalbermatten, Julius, D. S., Mara, D. D., e Gunnerson, C. G.,
«Appropriate technology for water supply and sanitation : a planner's guide», vol no. 2. World Bank, Washington, DC, USA, p 194 p. : 48 fig., 12 tab., 1980.
J. M. Kalbermatten, Julius, D. S., e Gunnerson, C. G.,
«Appropriate technology for water supply and sanitation : technical and economic options», vol no. 1. World Bank, Washington, DC, USA, p iii, 124 p. : fig., tab., 1980.
D. Curtis, Carruthers, I., Feachem, R., Bradley, D., Baldwin, G., e Cairncross, S.,
Evaluation for village water supply planning, vol no. 15. Chichester, UK: Wiley, 1980, p xviii, 179 p.: fig., tab.
F. R. B. U. R. G. E. A. P. - Paris,
La construction des puits en Afrique tropicale, 2nd ed.nd ed. Paris, France: BURGEAP, Bureau d'Etudes de Geologie Appliquee et d'Hydrogeologie Souterraine, 1980, p 201 p. : fig., tab.
J. L. Ventura Rivas, J. Velasco, O., Roque, J. R., D. de la O., C., e Oviedo, F. A.,
«Manual de promocion de comunidades para sistemas de agua potable y letrinizacion en el medio rural». El Salvador, Departamento de Acueductos Rurales, San Salvador, El Salvador, p ca. 200 p., 1980.
P. Roark,
«Successful rural water supply projects and the concerns of women». USAID, Office of Women in Development, Washington, DC, USA, p 66 p., 1980.