Changes

Double Ventilated Improved Pit

No change in size, 05:55, 17 October 2014

→‎References

* Mara, D. D. (1996). Low-Cost Urban Sanitation. Wiley, Chichester, UK. (General description of VIPs with a focus on the ventilation system)

* Morgan, P. R. (2009). Ecological Toilets. Start Simple and Upgrade from Arborloo to VIP. Stockholm EnvironmentInstitute, Stockholm, SE.

:Available at: [http://www.ecosanres.org ecosanres.org]

===Acknowledgements===

{{:Acknowledgements Sanitation}}

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