Biosorption of Lead and Chromium Ions by Using Penicillium digitatum (Pers.) Sacc. from Industrial Water. Iraqi Journal of Science [Internet]. 2020 Aug. 28 [cited 2024 May 7];61(8):1880-6. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/1887