[1] Ashrafi, A.R. and Shabani, H. (2009). The Hosoya polynomial of TUC4C8(S) nanotubes. Digest
Journal of Nanomaterials and Biostructures, 4(3), pp. 453–457.
[2] Ashrafi, S., Imran, M., Bokhary, S. A. U. and Akhter, S. (2022). The Wiener index, degree distance index and Gutman index of composite hypergraphs. Heliyon, 8(12), pp. 1–10.
doi:10.1016/j.heliyon.2022.e12382
[3] Biggs, N. (1993). Algebraic Graph Theory. 2nd ed. Cambridge: Cambridge University Press.
doi:10.1017/CBO9780511608704.
[4] Darafsheh, M.R. (2010). Computation of topological indices of some graphs. Acta Applicandae Mathematicae, 110(3), pp. 1225–1235. doi: 10.1007/s10440-009-9503-8
[5] Dehmer, M. and Mowshowitz, A. (2011). A history of graph entropy measures. Information Sciences,
181(1), pp. 57–78. doi:10.1016/j.ins.2010.08.041.
[6] Dobrynin, A. A., Entringer, R. and Gutman, I. (2001). Wiener index of trees: Theory and applications. Acta Applicandae Mathematicae, 66(3), pp. 211–249. doi: 10.1023/A:1010767517079.
[7] Dobrynin, A. A., Gutman, I., Klavˇzar, S. and Zigert, P. (2002). Wiener index of hexagonal systems. ˇ
Acta Applicandae Mathematicae, 72, pp. 247–294. doi: 10.1023/A:1016290123303.
[8] Godsil, C. and Royle, G. (2001). Algebraic Graph Theory. New York: Springer-Verlag. doi:
10.1007/978-1-4613-0163-9.
[9] Gutman, I. and Polansky, O. E. (1986). Mathematical Concepts in Organic Chemistry. Berlin:
Springer-Verlag. doi:10.1007/978-3-642-70982-1.
[10] Gutman, I. and Dobrynin, A. A. (1998). The Szeged index a success story. Graph Theory Notes of
New York, 34, pp. 37–44.
[11] Hosoya, H. (1971). Topological index. A newly proposed quantity characterizing the topological
nature of structural isomers of saturated hydrocarbons. Bulletin of the Chemical Society of Japan,
44(9), pp. 2332–2339. doi: 10.1246/bcsj.44.2332.
[12] Hosoya, H. (1988). On some counting polynomials in chemistry. Discrete Applied Mathematics, 19(1-
3), pp. 239–257. doi: 10.1016/0166-218X(88)90017-0.
[13] Moghani, G. A., Ashrafi, A. R., Naghdi, S. and Ahmadi, M. R. (2007). Automorphism groups of
some chemical graphs. In: Campbell, C. M., Quick, M. R., Robertson, E. F. and Smith, G. C. (eds.)
Groups St Andrews 2005. London Mathematical Society Lecture Note Series. Cambridge University
Press, pp. 630–639. doi:10.1017/CBO9780511721205.026.
[14] Shokrollahi Yancheshmeh, S., Modabbernia, R. and Jahandideh, M. (2018). The topological indices
of the Cayley graph of Dihedral group D2n and the Generalized Quaternion group Q2n . Italian
Journal of Pure and Applied Mathematics, 40, pp. 424–433.
[15] Wagner, S. (2007). Extremal trees with respect to Hosoya index and Merrifield-Simmons index.
MATCH Communications in Mathematical and in Computer Chemistry, 57(1), pp. 221–233.

[16] Wiener, H. (1947). Structural determination of paraffin boiling points. Journal of the American
Chemical Society, 69(1), pp. 17–20. doi: 10.1021/ja01193a005.