G. EL TURKI, T. . The Extremal and Infra-Topological Spaces over a Finite Set-A Computational Approach with Maple. Libyan Journal of Science &Technology, [S. l.], v. 15, n. 2, p. 243–246, 2026. DOI: 10.37376/ljst.v15i2.7639. Disponível em: https://next.fannak.com/index.php/LJST/article/view/7639. Acesso em: 25 apr. 2026.