This AGUASAN publication illustrates how the water and nutrient cycles can be used as a tool for creating a common understanding of a water and sanitation system and aligning it with SDG 6.
BROGAN, J., ERLMANN, T., MUELLER, K. and SOROKOVSKYI, V. (2017): SDG 6 along the water and nutrient cycles. Using the water and nutrient cycles as a tool for creating a common understanding of a water and sanitation system - including workshop material. Bern (Switzerland): AGUASAN and Swiss Agency for Development and Cooperation (SDC) URL [Accessed: 26.03.2019] PDF