TOERI, J.; MUNGAI, G. Adsorption of Pb(II), Hg(II) and Cu(II) ions on azacrown ether grafted chitosan films. African Journal of Science, Technology and Social Sciences, [S. l.], v. 1, n. 2, p. 52–64, 2022. DOI: 10.58506/ajstss.v1i2.7. Disponível em: https://journals.must.ac.ke/index.php/AJSTSS/article/view/7. Acesso em: 29 mar. 2024.