Dao, Van-Da, et al. “Transparent Conducting Oxide Films With P-Type Characteristics Derived from Sol-Gel Dip-Coating of LaF3- and CeF3-Doped Tin Oxides”. Vietnam Journal of Science and Technology, vol. 63, no. 1, Feb. 2025, pp. 87-99, doi:10.15625/2525-2518/20042.