Biblio

B. Petrusevski, Sharma, S., Schippers, J. C., Shordt, K., and IRC International Water and Sanitation Centre, The Hague, NL, “Arsenic in drinking water”, vol. no. 17. IRC, Delft, The Netherlands, p. 57 p. : 11 fig., 3 tab., 2007.

K. Shordt, “Sustainability of hygiene promotion and education : a six country research study”, in People-centred approaches to water and environmental sanitation : proceedings of the 30th WEDC Conference, Vientiane, Lao PDR, 25-29 October 2004 , 2005, pp. P. 151-154 : 4 tab.