Sridhara, G., M. R. Rajesh Kanna, and R. S. Indumathi. “Determination of Topological Indices of Graphene”. Novel Research Aspects in Mathematical and Computer Science Vol. 5 (June 28, 2022): 186–198. Accessed June 13, 2026. https://stm.bookpi.org/NRAMCS-V5/article/view/7672.