Khedr Mohamed, Mohamed, and Ahmed Khedr Ahmed. “Preparation of a Number of Heterocyclic Compounds Derived from Benzotrazole”. Journal of Education and Science 26, no. 5 (December 1, 2013): 156–172. Accessed September 10, 2025. https://edusj.uomosul.edu.iq/index.php/edusj/article/view/41332.