Biblio

WSSCC -Geneva, CH, Water Supply and Sanitation Collaborative Council y Duebendorf, C. H. S. A. N. D. E. C. -, Household-centred environmental sanitation : implementing the Bellagio principles in urban environmental sanitation : provisional guideline for decision-makers. Duebendorf, Switzerland: Swiss Federal Institute for Environmental Science and Technology (EAWAG), 2005, p. 46 p. : boxes, fig.