1. WHO. Progress on drinking water and sanitation. Geneva: World Health Organization; 2014.
http://www.who.int/water_sanitation_health/publications/2014/jmp-report/en/
.
2. Jenkins M. Gross Fecal Pollution of a Rural Watershed in Kenya: Research Identifying Cattle as a Major Source in the River Njoro Watershed. Research Brief. 08-01 SUMAWA 2008.
http://glcrsp.ucdavis.edu/publications/SUMAWA/08-01-SUMAWA.pdf
.
3. WHO and Unicef. WHO and Unicef, 2006. Meeting the MDG drinking water and sanitation target: the urban and rural challenge of the decade. Geneva: World Health Organization; 2006.
4. WHO. Waterborne zoonoses. Identification, causes, and control. 2004.
www.who.int/water_sanitation_health/diseases/zoonoses.pdf
.
5. The Center for Food Security and Public health. Enterohemorrhagic Escherichia coli infections. 2009.
http://www.cfsph.iastate.edu/Factsheets/pdfs/e_coli.pdf
.