Rakpanich, S, N Wantana, Y Ruangthaweep, and J Kaewkhao. “Eu<sup>3+</sup> Doped Borosilicate Glass for Solid-State Luminescence Material”. Journal of Metals, Materials and Minerals 27, no. 1 (June 30, 2017). Accessed December 2, 2021. http://jmmm.material.chula.ac.th/index.php/jmmm/article/view/337.