Biblio

G. Howard, Bartram, J., Williams, A., Overbo, A., Fuenta, D., and Geere, J., Domestic water quantity, service level and health, 2nd ed.nd ed. Geneva, Switzerland: World Health Organization (WHO), 2020, p. xi, 60 p. : 2 fig., 12 tab.

G. Howard and Bartram, J., “Effective water supply surveillance in urban areas of developing countries”, Journal of water and health, pp. p. 31-43 : 4 tab., 2005.

G. Howard, “On-site sanitation and groundwater : the art of balancing unknown risks?”, Waterlines, an international journal of water, sanitation and waste, pp. p. 2-5 : 3 photogr., 1999.