Afaf. M. A. Almagtof, et al. “ Deteremnation Concentration of Copper and Cobalt in Canned Foods By Atomic Absorption ”. Journal of Libyan Academy Bani Walid, vol. 2, no. 1, Jan. 2026, pp. 01-10, https://journals.labjournal.ly/index.php/Jlabw/article/view/371.