Biblio

J. Parkinson y Blume, S., «Improving the robustness of financial and economic analysis of sanitation systems», presented at the 2010-11-16, The Hague, The Netherlands, 2010, p. 13 p. : 2 fig., 3 tab.

G. Hutton, Pfeiffer, V., Blume, S., Muench, E., Malz, Y., y Sustainable Sanitation Alliance -Eschborn, DE, SuSanA, «Costs and economics of sustainable sanitation». Sustainable Sanitation Alliance, SuSanA, Eschborn, Germany, p. 8 p. : 3 fig., 4 photogr., 1 tab., 2009.