Jarullah, A. A., M. F. Alias, and K. H. Hassan. “Purification of Aqueous Solution from Ni (II) Ions Using Commercial and Bitter Orange Leaves Activated Charcoal”. Al-Nahrain Journal of Science, Vol. 17, no. 1, July 2018, pp. 32-40, https://anjs.edu.iq/index.php/anjs/article/view/477.