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 6, no. 3 (May 30, 2024): 341–354. Accessed July 3, 2024. https://journals.asianresassoc.org/index.php/irjmt/article/view/1725.