F. Ansaria, Ghizal, and S. P. Mahato. “Optical Upconversion Properties Of Tm2O3 Yb2O3 Doped Lead Tellurite Glasses”. International Journal for Global Academic & Scientific Research 2, no. 1 (March 30, 2023): 07–12. Accessed November 5, 2024. https://journals.icapsr.com/index.php/ijgasr/article/view/38.