Efficiency of Pre-Treated Immobilized Chara Algae (C. vulgaris) for Biosorption of Copper and Lead from Aqueous Solutions . DJES [Internet]. 2022 Dec. 18 [cited 2025 Apr. 30];15(4):142-9. Available from: https://www.djes.info/index.php/djes/article/view/1064