Source: https://washmatters.wateraid.org/sites/g/files/jkxoof256/files/Comment%20permettre%20%C3%A0%20tous%20d%E2%80%99avoir%20acc%C3%A8s%20%C3%A0%20l%E2%80%99eau%20potable%20et%20%C3%A0%20l%E2%80%99assainissement%20d%E2%80%99ici%202030.pdf