Ahmad U, Hameed S. Bounds of HOMO-LUMO Gap for Certain Nanotubes and Nanotori. Jour. Inform. Math. Sci. [Internet]. 2018 Sep. 30 [cited 2024 Apr. 29];10(3):391-8. Available from: https://www.rgnpublications.com/journals/index.php/jims/article/view/807