Lan Anh, Luu Thi, et al. “Effect of Fe Doped on Superhydrophilic Properties and Antibacterial Activity of TiO2 Thin Film Preparared by Sol-Gel Dip Coating”. <i>Vietnam Journal of Chemistry</i>, vol. 52, no. 2, Sept. 2014, p. 195, doi:10.15625/4880.