AYAT KHAIRI HASHIM. Optimization of the Adsorption of Cadmium and Copper Ions from an Aqueous Solution by Alum Sludge. Journal of Techniques, [S. l.], v. 7, n. 4, p. 68–81, 2025. DOI: 10.51173/jt.v7i4.2720. Disponível em: https://journal.mtu.edu.iq/index.php/MTU/article/view/2720. Acesso em: 23 jun. 2026.