CONRADIN, K.
(2018):
https://www.sswm.info/sswm-university-course/module-1-sustainability-relation-water-and-sanitation/further-resources-0/the-water-cycle
En: Sustainable Sanitation and Water Management (SSWM) University Course - Module 1: Sustainability in Relation to Water and Sanitation, Further Resources: SSWM Concept.
[Accessed: 23.05.2018]