NIKANDISH, R.; NIKMEHR, M. J.; HOSSEINI, S. M. On the planarity and perfectness of annihilator ideal graphs. Tamkang Journal of Mathematics, [S. l.], v. 50, n. 4, p. 361–369, 2019. DOI: 10.5556/j.tkjm.50.2019.2707. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/2707. Acesso em: 25 apr. 2024.