Yêu Ly, H. T., Tong, N. X., & Tan, L. V. (2016). Adsorption thermodynamic and kinetic studies of Cr(VI) by chitosan flake modified with citric acid via crosslinking with glutaraldehyde. Vietnam Journal of Chemistry, 54(2), 159. https://doi.org/10.15625/0866-7144.2016-00252