Teshome , Engida, et al. “An Overview of Water Pollution Status in Ethiopia With a Particular Emphasis on Akaki River: A Review”. Ethiopian Journal of Public Health and Nutrition (EJPHN), vol. 3, no. 2, June 2019, pp. 120-8, https://ejphn.ephi.gov.et/index.php/ejphn/article/view/151.