GUTTI, B.; IYODO, H. M.; ISAH, U. A. Biosorption of lead (II) ion from aqueous solution using dum palm kernel. International Journal of Environment, [S. l.], v. 4, n. 2, p. 68–75, 2015. DOI: 10.3126/ije.v4i2.12625. Disponível em: https://www.nepjol.info/index.php/IJE/article/view/12625. Acesso em: 4 may. 2024.