Biblio

P. Thomson, Hope, R. A., y Foster, T., «Is silence golden? Of mobiles, monitoring, and rural water supplies», Waterlines, an international journal of water, sanitation and waste, pp. p. 280 - 292; 1 fig., 2012.

R. A. Hope y Garrod, G. D., «Household preferences to water policy interventions in rural South Africa», Water policy : official journal of the World Water Council, pp. p. 487-499 : 3 fig., 3 tab., 2004.