Biblio

G. Hutton y Bocco, M. J., «Measuring affordability : global indicator options for water supply : a paper presented at the Monitoring Sustainable WASH Service Delivery symposiu..», in IRC Symposium 2013 : monitoring sustainable WASH service delivery, 9 to 11 April 2013, Addis Ababa, Ethiopia : symposium papers, S.l., 2013, p. 4 p.; 1 tab.

G. Hutton, «Global costs and benefits of drinking-water supply and sanitation interventions to reach the MDG target and universal coverage». World Health Organization (WHO), Geneva, Switzerland, p. 67 p.; 17 tab.; 20 fig., 2012.