Hassan, Saad Aziz, Lekaa Hussein Kadhim, and Amer Fuadiel Abdul-Hadi. “Biosorption Studies of Cyanide Ion from Wastes by Spent Black Tea Leaves”. Journal of Kufa for Chemical Sciences, no. 6 (February 11, 2016). Accessed September 22, 2026. https://journal.uokufa.edu.iq/index.php/jkcs/article/view/3415.