KUMAR, Vicky. Partial Replacement of Alum by Using Natural Coagulant Aid to Remove Turbidity from Institutional Wastewater. International Journal of Integrated Engineering, [S. l.], v. 12, n. 4, p. 241–251, 2020. Disponível em: https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/6315.. Acesso em: 19 may. 2024.