Study of Biosorption and Desorption Process of Cu(II), Cr(VI), Pb(II) and Zn(II) ions by using peels of Citrus aurantifolia. IJITCE [Internet]. 2021 Jul. 17 [cited 2026 May 26];9(3):21-35. Available from: https://www.ijitce.org/index.php/ijitce/article/view/235