R. Kubba and K. Samawi, “Theoretical Study of Electronic Properties and Vibration Frequencies for Tri-Rings Layer (6, 0) Linear (Zigzag) SWCNT”, Iraqi Journal of Science, vol. 55, no. 2B, pp. 606–616, Nov. 2023, Accessed: Dec. 07, 2025. [Online]. Available: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/11740