Foysal, Mohammad, and G. R. Ahmed Jamal. “Empirical Ratio of Higher Optical Transitions in Semiconducting SWCNTs”. Asian Journal For Convergence In Technology (AJCT) ISSN -2350-1146 (April 12, 2019). Accessed October 11, 2025. https://asianssr.org/index.php/ajct/article/view/770.