Thi Thu Hien Le, Van Tuan Chu and Van Tuan Pham (2023) “Fabrication, structural characteristics, and influence of Bi3+ doping concentration on UV-vis spectra of Bi3+:SnO2 nanocomposite materials”, Vietnam Journal of Science, Technology and Engineering, 65(1), pp. 9-13. doi: 10.31276/VJSTE.65(1).09-13.