The Biosorption of Cr (VI) From Aqueous Solution Using Date Palm Fibers (Leef). Al-Khwarizmi Engineering Journal, [S. l.], v. 6, n. 4, p. 31–36, 2010. Disponível em: https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/510.. Acesso em: 4 may. 2024.