Scientific Publication
The Sanitation Ladder, What Constitutes an Improved Form of Sanitation?
Exley, J.L.R.; Liseka, B.; Cumming, O.; Ensink, J.H.J. The Sanitation Ladder, What Constitutes an Improved Form of Sanitation? Environmental Science and Technology (2014) 49 (2) 1086-1094. (DOI: 10.1021/es503945x)