“Al-Khriet Agricultural Waste Adsorbent, for Removal Lead and Cadmium Ion from Aqueous Solutions”, alkej, vol. 9, no. 2, pp. 69–76, Jun. 2013, Accessed: Dec. 23, 2024. [Online]. Available: https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/169