Tawfiq, N. F., M. M. Neamah, and E. M. Rasheed. “Optical Properties of CR-39 Detector Irradiated With Gamma-Rays and (He-Ne) Laser”. Al-Nahrain Journal of Science, Vol. 20, no. 3, Sept. 2017, pp. 77-82, https://anjs.edu.iq/index.php/anjs/article/view/106.