Resan, Nada J., Ruaa S. Abdullhussein, and Haider M.J Haider. “Calculate the Thermal Properties of (S2F2) Using Semi-Empirical Quantum Mechanics (MNDO PM3)”. Ibn AL-Haitham Journal For Pure and Applied Sciences 35, no. 1 (January 20, 2022): 16–27. Accessed April 4, 2025. https://jih.uobaghdad.edu.iq/index.php/j/article/view/2794.