Ventilated improved pit latrine technical brief - Engineering for Change
Sustainability | Free Full-Text | Adapting Sanitation Needs to a Latrine Design (and Its Upgradable Models): A Mixed Method Study under Lower Middle-Income Rural Settings
Drivers and barriers to sustained use of Blair ventilated improved pit latrine after nearly four decades in rural Zimbabwe | PLOS ONE
VIP - How it works
Ventilated improved pit (VIP) latrines
The Ventilated Improved Pit (VIP) Latrine | PDF
PDF) Redesigning the ventilated improved pit latrine for use in built-up low-income settings