Biblio

J. Valdelin, Gubler, D., Adelstal, C., Sawyer, R., Nunes, R., and del Torres, X., UNICEF's programme for water and sanitation in Central America, vol. no. 96/11. Stockholm, Sweden: SIDA, Swedish International Development Cooperation Agency, 1996, p. 102 p. : 9 boxes, 5 fig., 24 tab.

N. Schall and Gubler, D., “NETWAS Network for Water and Sanitation, AMREF, Nairobi : phase III review and phase IV plan of operations”. Infraconsult, Bern, Switzerland, p. 29 p. + 34 p. annexes: box, tab., 1991.