NKOSI, N. C.; PIKETH, S. J.; BURGER, R. P. Fine PM emission factors from residential burning of solid fuels using traditional cast-iron coal stoves. Clean Air Journal, [S. l.], v. 28, n. 1, 2018. DOI: 10.17159/2410-972X/2018/v28n1a10. Disponível em: https://cleanairjournal.org.za/article/view/6961. Acesso em: 9 dec. 2022.