Nguyen, N., Q. Hoang, and U. Nguyen. “Preparation of Magnetic Nanocomposite Materials Based on Chitosan/Fe3O4”. Science & Technology Development Journal: Natural Sciences, Vol. 1, no. T4, Dec. 2017, pp. 157-62, doi:https://doi.org/10.32508/stdjns.v1iT4.492.