Biblio

G. Norman, Fonseca, C., en Jacimovic, R., “Financing water and sanitation for the poor : six key solutions”, presented at the 2012-02-01, The Hague, The Netherlands, 2012, vol. DP#003, p. 31 p.; 5 fig.; 1tab.

J. Ranaivo en Norman, G., “Using water kiosk revenues to cross-finance environmental hygiene : Tana’s RF2 model”, vol. 1. Water and Sanitation for the Urban Poor, WSUP, S.l., p. 2 p.; 1 photograph; 4 boxes; 1 tab.; 1 fig., 2011.