Vũ, Hà, Thư Đỗ, Anh Đoàn, and Thành Nguyễn. “Thermoluminescent Properties of CaF2 Co-Doped Er3+, Li+ Ions”. Journal of Military Science and Technology 85 (February 28, 2023): 88–94. Accessed April 26, 2024. https://online.jmst.info/index.php/jmst/article/view/257.