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→‎References

* WHO (2006). Guidelines for the Safe Use of Wastewater, Excreta and Greywater. Volume 4: Excreta and Greywater Use in Agriculture. World Health Organization, Geneva, CH.

:Available at: [http://www.who.int who.int]

 

* [http://www.who.int/water_sanitation_health/publications/guidelines-on-sanitation-and-health/en/ WHO: Guidelines on sanitation and health - 2018]

===Acknowledgements===

{{:Acknowledgements Sanitation}}

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