Biblio

P. Iyer en Sara, J., “The handwashing handbook : a guide for developing a hygiene promotion program to increase handwashing with soap”. World Bank, Washington, DC, USA, p. 76 p. : boxes, fig., tab., 2005.

J. Sara en Katz, T., “Making rural water supply sustainable : report on the impact of project rules”. UNDP-World Bank Water and Sanitation Program, Washington, DC, USA, p. 56 p. + annexes (15 p.) : tab., 1997.

J. Sara, Gross, A., en van den Berg, C., “Provision de agua y saneamiento en el area rural en Bolivia : de proyecto piloto a programa”. World Bank, Washington, DC, USA, p. iii, 46 p. : fig.; tab., 1996.

J. Sara, Gross, A., en van den Berg, C., “Rural water supply & sanitation in Bolivia : from pilot project to national program”. World Bank, Washington, DC, USA, p. iii, 43 p. : fig., tab., 1996.

J. Sara, Vera, R., Soto, B., en Quiroga, M., “Proyecto Yacupaj : analysis de dos anos de experiencias de los proyectos demonstrativos”. World Bank, Potosi, Bolivia, p. 2 vol. (61, 7 p.): fig., tab., 1993.