Elijah Ngumba, et al. “Occurrence of Antibiotics and Antiretroviral Drugs in Source-Separated Urine, Groundwater, Surface Water and Wastewater in the Peri-Urban Area of Chunga in Lusaka, Zambia”. Water SA, vol. 46, no. 2 April, Apr. 2020, doi:10.17159/wsa/2020.v46.i2.8243.