Abdullah, R., R. C. Abul-Hail, and H. A. Badran. “The Effect of Gamma-Irradiation on Absorption Spectrum of Fluorescein Dye”. Basrah Researches Sciences, vol. 49, no. 1, June 2023, pp. 141-9, https://jou.jobrs.edu.iq/index.php/home/article/view/40.