S. Ahmed, Ahmed. “Using the Benzotaiazole Nitrogen Base Ionic Liquids Loaded on Activated Carbon in Desulfurization of Petroleum Fraction”. College of Basic Education Research Journal 16, no. 4 (November 1, 2020): 885–900. Accessed October 27, 2025. https://jeh.uomosul.edu.iq/index.php/berj/article/view/38518.