Tuyen, Vuong, Nguyen Tong, Hieu Le, Cao Dung, and Tran Van. 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), 3275-85. https://doi.org/https://doi.org/10.32508/stdj.v27i1.4223.