Zodidi Gcolotela, Stanley Chibuzor Onwubu, Sindisiwe Fortunate Muthwa, and Phumlane Selby Mdluli. “Fabrication of Smartphone-Based Colorimetric Device for Detection of Water Leaks ”. Water SA 47, no. 2 April (April 29, 2021). Accessed May 2, 2024. https://watersa.net/article/view/10920.