Ahmed , Z. A. ., Ubaid, Q. H. ., & Al-Kaabi, M. A. . (2025). Investigation The Non Linear optical Properties and Spectroscopy Properties of Polyimide Using DFT. Journal of Neonatal Surgery, 14(21S), 128–135. Retrieved from https://jneonatalsurg.com/index.php/jns/article/view/5235