Mbuna, Julius, Honest Anicetus, Josephat Saria, and Samwel Manyele. “Assessment of Heavy Metals in Bottom Ashes from Medical Waste Incinerators and Their Associated Health Risks in Dar Es Salaam”. Journal of Education, Humanities & Science (JEHS) 9, no. 2 (November 19, 2020). Accessed June 21, 2021. http://jehs.duce.ac.tz/index.php/jehs/article/view/55.