Biblio

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.

C. Werner y Malz, Y., «Literature review working group on costs and economics of sustainable sanitation ». Deutsche Gesellschaft fur Technische Zusammenarbeit (GTZ), S.l., p. 19 p.; 90 refs.; 1 fig., 2008.