Salman, Amenah A., and Firas Jawad Kadhim. 2024. “Spectroscopic Analyses and the Influence of Concentration on the Photoluminescence Characteristics of Sm+3-Doped Silica Sol-Gel Matrix”. Iraqi Journal of Science 65 (6): 3122-30. https://doi.org/10.24996/ijs.2024.65.6.15.