HADI, M. H.; AL-SWIDI, L. A. Weak Separation Axioms Via Ω-Open Set And Ω-Closure Operator. Journal of Asian Scientific Research, [S. l.], v. 4, n. 7, p. 375–380, 2014. Disponível em: https://archive.aessweb.com/index.php/5003/article/view/3651. Acesso em: 22 dec. 2024.