Ahmed T. Khudhair and Falah H. Hanoon, “Theoretical Study of Carbon Nanotube toward Adenine Sensing: DFT Study”, UTJsci, vol. 8, no. 1, pp. 136–140, May 2021, Accessed: May 12, 2025. [Online]. Available: http://www.jsci.utq.edu.iq/index.php/main/article/view/791