NGUYEN , M. L.; PHAN , M. N. .; NGO , H. P. H. . Biosorption of Chromium (VI) from Aqueous Solutions by Modified Chitosan Beads. Journal of Technical Education Science, [S. l.], v. 11, n. Special Issue 02, p. 54–58, 2016. Disponível em: https://www.jte.edu.vn/index.php/jte/article/view/442. Acesso em: 7 apr. 2026.