Ngoc, Kieu T. B., et al. “One Step Synthesis of Water-Dispersible CoFe2O4 Magnetic Nanoparticles Using Triethylenetetramine As Solvent and Stabilising Ligand”. <i>Vietnam Journal of Science and Technology</i>, vol. 54, no. 1, Feb. 2016, pp. 123-32, doi:10.15625/0866-708X/54/1/6018.