Identifying Potential Determinants of Faecal Contamination on Domestic Floors in Three Settings in Rural Kenya: A Mixed Methods Analysis oleh Hugo Legge, Karisa Kazungo, Sharon Muli, Lynne Elson, Jacinta Mwongeli, Katherine E Halliday, Victoria Ochwal, William Oswald, Robert Dreibelbis, Doris Njomo, Charles Mwandawiro, Ulrike Fillinger, Rachel Pullan, Stella Kepha