“Al-Khriet Agricultural Waste Adsorbent, for Removal Lead and Cadmium Ion from Aqueous Solutions”. Al-Khwarizmi Engineering Journal 9, no. 2 (June 30, 2013): 69–76. Accessed May 5, 2024. https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/169.