M. Ali, A., علی, A. Aziz Ali, and أحمد. “The N-Hosoya Polynomials of Some Classes of Thorn Graphs”. AL-Rafidain Journal of Computer Sciences and Mathematics, vol. 7, no. 1, June 2025, pp. 81-97, https://rjps.uomosul.edu.iq/index.php/csmj/article/view/19569.