ATHIRAH, Ainul Afeeqah. Manganese Removal in Groundwater Treatment Using Marble. International Journal of Integrated Engineering, [S. l.], v. 11, n. 2, 2019. Disponível em: https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/4238. Acesso em: 7 apr. 2026.