Analysis of the Causes of Excessive Manganese and Discussion on Treatment Measures in a Waterworks in Cangnan County. Journal of Historical, Cultural and Social Sciences, [S. l.], v. 2, n. 1, p. 37–46, 2026. DOI: 10.71204/0an4m909. Disponível em: https://jhcss.cscholar.com/article/view/1000352. Acesso em: 10 may. 2026.