BASU, C. K.; AFSAN, B. M. U. $P_\omega$-closedness and its Generalization With Respect to a Grill. Sarajevo Journal of Mathematics, [S. l.], v. 7, n. 2, p. 297–309, 2024. DOI: 10.5644/SJM.07.2.14. Disponível em: https://sjm.anubih.ba/index.php/sjm/article/view/298. Acesso em: 16 oct. 2024.