Biblio

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.

S. Cairncross y Shordt, K., «It does last! : some findings from a multi-country study of hygiene sustainability», Waterlines, an international journal of water, sanitation and waste, pp. p. 4-7 : 1 photogr., 5 tab., 2004.