A. Anaz, Mohammed, and Israa F. Al-sharuee. “Spectral Properties of Silica Sol, Gel and Aerogel Doped With Metal Ions and Laser Dyes”. International Research Journal of Multidisciplinary Technovation, vol. 6, no. 3, May 2024, pp. 341-54, https://doi.org/10.54392/irjmt24325.