Al-Abachi, Mouayad, Nagam Al- Awady, and Ahmed Al-Anbakey. 2024. “Removal of Cu (ll) From Aqueous Solution Using Polyacrylic Acid Hydrogel Beads As Adsorbent”. Iraqi Journal of Science 54 (2): 240-48. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/12251.