Kapwata, Thandi, Brigitte Language, Stuart Piketh, and Caradee Y. Wright. “Indoor Particulate Matter Concentration Variations and Associations With Indoor/Outdoor Temperature in Rural Limpopo”. Clean Air Journal 29, no. 1 (June 3, 2019). Accessed January 30, 2023. https://cleanairjournal.org.za/article/view/6894.