P. V. Tien, M. T. Thanh Thuy, N. T. Van Anh, M. T. Xuan, P. T. Tot, L. C. The and P. T. Binh, Removal of Ni2+ from aqueous solution by adsorption onto maize tree-trunk polyaniline composite, VJChem 54 (2016) 429. DOI: https://doi.org/10.15625/0866-7144.2016-00341.