SIVAGAMI, P.; SIVARAJ, D. On $ \mbf{\gamma} $-semiopen sets. Tamkang Journal of Mathematics, [S. l.], v. 39, n. 4, p. 303–308, 2008. DOI: 10.5556/j.tkjm.39.2008.3. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/3. Acesso em: 3 may. 2024.