Practical Action. improved pit latrine”. The Schumacher Centre of Technology & “Ventilated Development. N.D. Retrieved from and Sanitation Program-Africa Region (WSP-AF) Latrines in Zimbabwe: From “VIP Local Innovation to Global Sanitation Solution” August 2002. Retrieved from
Practical Action. “Ventilated improved pit latrine”. The Schumacher Centre of Technology & Development. N.D. Retrieved from and Sanitation Program-Africa Region (WSP-AF) “VIP Latrines in Zimbabwe: From Local Innovation to Global Sanitation Solution” August 2002. Retrieved from