NGOC, Tran.
 Optical Properties of Dy3+ and Ce3+ in Borate Glass.
<strong>VNU Journal of Science: Mathematics - Physics</strong>, [S.l.], v. 31, n. 1, mar. 2015.
ISSN 2588-1124.
Available at: &lt;<a href="https://js.vnu.edu.vn/MaP/article/view/102" target="_new">https://js.vnu.edu.vn/MaP/article/view/102</a>&gt;. Date accessed: 17 may 2024.