GASIM, S. G. L- pre-open and L-semi-p-open Sets. Ibn AL-Haitham Journal For Pure and Applied Sciences, Baghdad, Iraq., v. 25, n. 1, 2017. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/684. Acesso em: 29 apr. 2025.