Kirdsiri, K., L. Shamshad, N. Srisittipokakun, G. Rooh, and J. Kaewkhao. “Study of the physical and optical properties of Holmium Ion doped soda lime silicate glasses”. Interdisciplinary Research Review 11, no. 3 (August 2, 2016): 32–38. accessed September 10, 2026. https://ph02.tci-thaijo.org/index.php/jtir/article/view/55692.