Schultz and Modified Schultz Polynomials for Edge – Identification Chain and Ring – for Square Graphs. Baghdad Science Journal, Iraq, Baghdad, v. 19, n. 3, p. 0560, 2022. DOI: 10.21123/bsj.2022.19.3.0560. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/5110.. Acesso em: 2 may. 2024.