Biblio

P. Bracken and Panesar, A. R., “Ecosan in poor urban areas : sustaining sanitation and food security ”, presented at the 2008-11-19, Delft, The Netherlands, 2008, p. 11 p. : 4 fig.

F. F. Rodriguez, “Local resolution for watershed management : the case of water and land allocation of Cotacachi, Ecuador”. Ohio State University, School of Natural Resources, Columbus, OH, USA, p. xi, 169 p. : tabs., 2003.

D. R. Ghimire, “Sustainable and least cost gravity water supply for a rural community in the hills”. University of Leeds, Department of Civil Engineering, Liverpool, UK, p. 180 p.: fig., 1991.

R. B. Robinson and Austin, T. A., “Cost optimization of rural water systems”, Journal of the Hydraulics Division, Proceedings of the American Society of Civil Engineers, 1976.