RIAD K. AL-HAMIDO; QAYS HATEM IMRAN; KAREM A. ALGHURABI; TALEB GHARIBAH. On Neutrosophic Crisp Semi Alpha Closed Sets. Neutrosophic Sets and Systems, [S. l.], v. 21, p. 28–35, 2018. Disponível em: https://fs.unm.edu/nss8/index.php/111/article/view/299.. Acesso em: 16 jul. 2024.