Le Thi Thu Hien, Le My Phuong, and Le Thi Hue. 2021. “INFLUENCE OF ANNEALING TEMPERATURES ON STRUCTURAL AND OPTICAL PROPERTIES OF ION Er3+ DOPED ZnO/SiO2 NANOCOMPOSITE FILMS”. UTEHY Journal of Applied Science and Technology, no. 30 (June), 73-78. http://tapchi.utehy.edu.vn/index.php/jst/article/view/459.