Raheem, A. H., H. M. Abduljalil, and T. A. Hussein. “Density Functional Theory Calculations of Thiophene - Phenylene Systems And Their Adducts”. Journal of Kufa-Physics 5, no. 2 (December 10, 2013). Accessed May 18, 2024. https://journal.uokufa.edu.iq/index.php/jkp/article/view/7496.