Ahmed , Zainab A., Qasim Hassan Ubaid, and M. A. Al-Kaabi. “Investigation The Non Linear Optical Properties and Spectroscopy Properties of Polyimide Using DFT”. Journal of Neonatal Surgery 14, no. 21S (May 6, 2025): 128–135. Accessed September 25, 2025. https://www.jneonatalsurg.com/index.php/jns/article/view/5235.