L-pre- and L-semi-P- compact Spaces. Baghdad Science Journal, Iraq, Baghdad, v. 8, n. 4, p. 1012–1020, 2011. DOI: 10.21123/bsj.2011.8.4.1012-1020. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/1323.. Acesso em: 3 may. 2024.