M. ALI, A.; أحمد; M. ABDULLAH, M.; محمود. Schultz and Modified Schultz Polynomials for Vertex – Identification Chain and Ring – for Hexagon Graphs. AL-Rafidain Journal of Computer Sciences and Mathematics, [S. l.], v. 15, n. 1, p. 25–38, 2025. Disponível em: https://rjps.uomosul.edu.iq/index.php/csmj/article/view/19454. Acesso em: 5 aug. 2025.