S. F. Oboudi, “Study of Optical Constants of Al2O3 Doped Polystyrene”, Al-Nahrain J. Sci., vol. 14, no. 2, pp. 103–108, Jun. 2011, Accessed: May 22, 2026. [Online]. Available: https://mail.anjs.edu.iq/index.php/anjs/article/view/892