A. G. Cordeiro Ortigara, Gore, F., Kay, M., L. Bernhardt, M., Newton, J., Slaymaker, T., and Uhlenbrook, S.,
Sustainable Development Goal 6 : synthesis report 2018 on water and sanitation. Geneva, Switzerland: UN-Water, 2018, p. 195 p. : 42 boxes, 49 fig., .