P. MARAGATHA MEENAKSHI; J. SATHYA. On $\beta^\star$-closed Spaces in Terms of Nets. International Journal of Mathematics And its Applications, [S. l.], v. 6, n. 4, p. 1–4, 2018. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/320. Acesso em: 3 jul. 2024.