Wright, C.Y, R Oosthuizen, J John, R.M Garland, P Albers, P Albers, and C Pauw. “Air Quality and Human Health Among a Low Income Community in the Highveld Priority Area”. Clean Air Journal 20, no. 1 (June 3, 2011). Accessed April 23, 2024. https://cleanairjournal.org.za/article/view/7180.