M. ALI, A.; H. ISMAIL, T. Hosoya Polynomials of The Width Distance of Some Cog-Special Graphs. AL-Rafidain Journal of Computer Sciences and Mathematics, [S. l.], v. 8, n. 2, p. 123–137, 2011. DOI: 10.33899/csmj.2011.163647 . Disponível em: https://csmj.uomosul.edu.iq/index.php/csmj/article/view/36639. Acesso em: 18 dec. 2025.