“Evaluation of Poly Acrylic Acid(PAA) Hydrogel Beads as Adsorbent for The Removal of Lead(II)ion from Water”, ANJS, vol. 16, no. 3, pp. 30–39, Sep. 2013, Accessed: May 05, 2024. [Online]. Available: https://anjs.edu.iq/index.php/anjs/article/view/573