BF Bakare, CJ Brouckaert, KM Foxon, and CA Buckley. “An Investigation of the Effect of Pit Latrine Additives on VIP Latrine Sludge Content under Laboratory and Field Trials ”. Water SA 41, no. 4 July (July 24, 2015). Accessed April 6, 2025. https://watersa.net/article/view/11007.