E. Akram, “Photochemical Study of Hydrated Ammonium Aluminum Sulfate-Urea Ionic Liquid by FT-IR Spectroscopy”., Al-Nahrain J. Sci., vol. 21, no. 1, pp. 41–45, Mar. 2018, Accessed: May 22, 2026. [Online]. Available: https://anjs.edu.iq/index.php/anjs/article/view/152