Tuyen, V., Tong, N., Le, H., Dung, C. and 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 (Mar. 2024), 3275-3285. DOI:https://doi.org/https://doi.org/10.32508/stdj.v27i1.4223.