TEAM, S. $\epsilon$-Closed Sets: Talal Al-Hawary. Thai Journal of Mathematics, [S. l.], v. 16, n. 3, p. 675–681, 2018. Disponível em: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/822. Acesso em: 3 jul. 2024.