Acidity Major Anions, and Trace Metals in Urban Rain and Roof Runoff From Selected Roof Coverings. International Journal of Environmental Sciences, [S. l.], v. 6, n. 2, p. 65–72, 2025. Disponível em: https://theaspd.com/index.php/ijes/article/view/224.. Acesso em: 3 dec. 2025.