“Desulfurization of Dibenzothiophene from Model Oil by Aluminum Ammonium Sulfate Urea (Alum) Ionic Liquid Analogue”. Al-Nahrain Journal of Science 23, no. 2 (June 4, 2020): 8–17. Accessed December 22, 2024. https://anjs.edu.iq/index.php/anjs/article/view/2271.