Nguyễn , V. S., and P. T. H. Nguyễn. “Adsorption Kinetic Models for Cr(Vi) onto Fruit Coir Pith of Nipa Palm”. Journal of Technical Education Science, vol. 5, no. 1, Mar. 2010, pp. 72-77, https://www.jte.edu.vn/index.php/jte/article/view/844.