Ghafar, Mohammad, Tareq Arraj, and Karam Haddad. “Adsorption of Ni(II) Ions from Aqueous Solutions Using Natural Bentonite”. Tishreen University Journal -Basic Sciences Series 41, no. 2 (April 29, 2019). Accessed May 11, 2024. https://journal.tishreen.edu.sy/index.php/bassnc/article/view/8653.