Hussain, S. F., Khazaal, D. S. and Hatif, Z. H. (2020) “Biosorption of Lead and Chromium Ions by Using Penicillium digitatum (Pers.) Sacc. from Industrial Water”, Iraqi Journal of Science, 61(8), pp. 1880-1886. doi: 10.24996/ijs.2020.61.8.4.