Tuyen, V., Tong, N., Le, H., Dung, C., & Van, T. (2024). Investigating the effect of synthesis parameters on the structure and upconversion luminescent properties of NaYF4:Tm,Yb for anticounterfeiting printing ink. Science and Technology Development Journal, 27(1), 3275-3285. https://doi.org/https://doi.org/10.32508/stdj.v27i1.4223