L. T. M. Thy, P. M. Cuong, T. H. Tu, H. M. Nam, N. H. Hieu, and M. T. Phong, “Fabrication of Magnetic Iron Oxide/Graphene Oxide Nanocomposites for Removal of Lead Ions from Water”, Chemical Engineering Transactions, vol. 78, pp. 277-282, Feb. 2020.